--Has Billy finished his homework today?
--I have no idea. He ______ it this morning.
| A．would do | B．was doing |
| C．has done | D．had done |
---Where has Mary been? I haven't seen her all day?
---Oh,in order not to be disturbed, she spent the whole day __in the study, ___ her report.
| A．locking;preparing | B．locked; prepared |
| C．locked; preparing | D．locking; prepared |
---George, ____ all the tables out of the next room.
--Coming.
| A．take | B．takes | C．taking | D．to take |
—Why did you come by bus?
---My car broke down yesterday evening and I ____ it repaired.
| A．didn’t have | B．don’t have | C．won’t have | D．haven’t had |
The conference was not,_____ many people had expected, so successful.
| A．that | B．as | C．as if | D．which |
A girl became a writer at ___ age of 12,_____ age when many children are still in the primary school.
| A．an;an | B．the;an | C．an;the | D．the ;the |