chuyển các từ số ít sau thành số nhiều:

book -> ?                                          child ->?

bus -> ?                                            bird ->?

lorry ->?                                            tomoto ->?

pen ->?                                             wife ->?

watch ->?                                          free ->?

Khó hiểu vãi giúp mình với!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 1 ;Vinh keeps forgetting his homework

>Vinh is...................................................................

2 ;It's three years since I last spoke to her

>I haven't...............................................................

3 ;Keeping the enviroment clean is very important

>It's........................................................................

4 ;Tam doesn't type as fact as she used to

>Tam used............................................................

5 ;Nam is very srong ,he can do heavy thing

>Nam is strong......................................................

6 ;Thinking of making toys from used paper was his interesting idea

>It's interesting that...............................................

7 ;He hasn't come back to his home village for over 20 years now

>It's.......................................................................

8 ;That's the strangest film I've never seen

>I have never.......................................................

9 ;Please don't interrupt me while I am speaking

>I'rather.................................................................

10 ;Finding accommodation at busy time in Da Lat is difficult

>it's.......................................................................

11 ;Originally ,tennis was an indoor game

>Tennis used.........................................................

Bài 1 :sắp xếp các động từ sau đây vào các hàng /id/  /t/  /d/ theo cách phát âm -ed

  wanted,played,helped,fitted,liked,watched,visited,looked,needed,remembered,stopped,talked,rented,mised,studied,used,learned.

/d/...........................................................................................................................................................................................................

/t/............................................................................................................................................................................................................

/id/..........................................................................................................................................................................................................

Giúp mik nha