当你想给别人一个好的建议时，你该说：
A．May I help you?
B. You should …
C．What are you doing?
We’ll ______you a postcard.
A. sent B. sendC.is sending
My mother_____ this computer.
A.likesB.likeC.doesn’t likes
Yesterday my mum was out, I had to _______my little sister.
A. look likeB. look forC. look after
I _______ a cake yesterday.
A. buyB. boughtC. buying
She’s ________ a picture.
A. paintB. painting C. painted