Rewrite the sentences without changing meaning. Use the word in the bracket.

20/ Mr. Brown bought the teddy bear at the corner shop, but he said that he didn’t buy it. (deny)

→  Mr. Brown

21/ Jane and I came to the party at 10 a.m. All our classmates came home at 9.30 a.m. (before)

→   

22/ The light had gone out before we got out of the office. (When)

→   

23/ After she had explained everything clearly, we started our work. (By the time)

→   

24/ David had gone home before we arrived. (After)

→   

Exercise 1: Rewrite the following sentences in such a way that they have the same meaning, beginning with the words provided.
1. It takes me 20 minutes to ride my motorbike to get to school every day.
>> I spend ………….………………………………………………………………………….
2. She spent 2 hours solving this geometric problem.
>> It took ………………………………………………………………………………………
3. The police arrested the robbers yesterday in the town.
>> The robbers  ………………………………………………………………………………..
4. Nam still found the solution to the problem although it was difficult.
>> The problem ….…………………………………………………………………………….
5. The road is slippery but he still drives quite fast.
>> Although ……………………………………………………………………………………..
6. People spent 5 years building this trade centre.
>> It took  …………………………………………………………………………………………
7. The suitcase is very heavy, but he still lifts it up.
>> Although …..………………………………………………………………………………….
8. OUP published this book in 2010.
>> This book …….……………………………………………………………………………….
9. He washed his car yesterday.
>> His car ………………………………………………………………………………………….
10. Although the poem is long, he still memorizes it.
>> The poem …………………………………………………………………………………….

Exercise 2: Identify one error (A,B,C,D) in each sentence below.
1. Nam has lived far from his parents for 2 years, so he is looking forward to see them as soon as possible.
                     A            B                                                                                                   C                             D
2. It is difficult for the city government solve the water pollution overnight.
      A                   B                                           C                             D
3. Yesterday the police stopped him and made him to get out of his car because he broke the traffic law.
                                                A                                             B                                   C                 D
4. How do you go to the market? – 3 times a week, sometimes 5 times a week.
       A                              B                            C                           D
5. In spite of it rained heavily, the students went to class on time.
             A                              B                                C                       D
6. He was breaking his leg while he was playing football in the schoolyard yesterday.
                    A                            B                   C                                      D
7. Although his legs were broken, but he still had got out of his car before it exploded.
           A                                                B                                                            C               D
8.I would like buying some sugar, 3 eggs and a bunch of banana, please.
                             A                     B            C                                   D
9. Would you mind to turn on the fans? It’s very hot in this room.
         A                             B                              C                   D