By the time she ________ tomorrow, the work ________.
— We are too busy to take ________ holiday at ________ present. — But I think we’ll be able to take ________ two weeks from now.A. a ; / ; one B. the ; / ; that C. a ; the ; it D a; / ; it
-- Today is Tom’s birthday. Let’s have a birthday party tonight, shall we? --- ____________.
Nowadays teachers feel they can’t help every student ________ suitable reading materials, so they encourage them __________ English on the Internet.
It all depends on _______ you can speak Spanish fluently.
They didn’t turn up at the meeting yesterday. Otherwise, they _________ the report.