— Micheal, do you know your father wants to buy a piano ? — Oh, I don’t know or not he’ll buy one. He didn’t tell me . A.what B.why C.whether
We __________ buy the train tickets. We can book one by phone now.
Sam did very well in the English exam. He made _______ mistakes.
You’d better go over your test paper carefully, _______ you won’t get a good mark.
My mother won’t let me ________ the cell phone when I do my homework.
I haven’t seen the film “Cinderella(灰姑娘)”and __________.