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9. There are four floors in my house.
10. Your bag is smaller than my bag.
9, There are four floors in my house.
10, Your bag is smaller than mine
EX5 :
1, True
2, False => have you seen Sam yet ?
3,True
4, False => I have finished my homework since 2 o'clock
5,True
6,True
7,False => I haven't seen you at the party since Sunday
8,False => The garden has beẢen very bad since last week
9,False => Her grandfather has died since 1970
EX 6
1, has visited
2,is going to rain
3,am going to shorting
4,have learned
5,is surprising
6,will / get
7,will / do / will visitMa
EX7:
1,Could / open
2,Are /going to
3,read
4,eat
5,are listening
6,Will / have
7,Would / like to come
8,Are / going to buy / will buy
9,Could / finish
10,Can / give / will/ make
Chúc em học tốt 
Nguyễn Phương Linh 
