________， please try your best to solve the problem in time

The number of students who _______ the music club _______ over 30.

Sir, I’m terribly sorry for not having handed in my homework on time, but I have been very busy all these days. —No excuse for it, but I drop it this time.

You will see this product made in this factory________ wherever you go.

Do you like playing basketball—No，I don’t.The only ball game___ I like is pingpong.