Don’t make the students _______ this or that . They are busy.
| A．to do | B．do | C．doing | D．done |
--- I’d like to borrow a book. Its name is “Travel around the world”.
--- Let me check on the computer first. Oh, it ______ that Kate has got it.
| A．says | B．is said | C．has said | D．was said |
Mr. Bush is on time for everything. How _______ it be that he was late for the opening ceremony?
| A．should | B．can | C．may | D．must |
The houses of the rich are generally larger than _______ of the poor.
| A．those | B．ones | C．the one | D．that |
When the teacher came in, he saw some boys _______ behind Daniel, _______ the computer games.
| A．sit, watching | B．sitting, watching | C．sit, to watch | D．sitting, watched |
It _______ long ______ we know the result of the experiment.
| A．will not be, before | B．is, after | C．will not be, until | D．is, before |