We all felt the plan __________.
| A．difficult to be carried out |
| B．difficultly to carry out |
| C．difficult to carry out |
| D．difficulty to be carried out |
—What shall we do tonight then?
— —whatever you want.
| A．Help yourself | B．It’s a deal |
| C．No problem | D．It’s up to you |
The boy _______ when he said he _______ the eggs which were _______ by that hen before he _______ down to have a rest.
| A．was lying …. had laid… laid … lay |
| B．was lying …. had lain… laid … laid |
| C．lied …. had laid… lain … lain |
| D．lied …. had laid… lain … lay |
Just use this room for the time being, and we’ll offer you a large one ___ it becomes available.
| A．unless | B．as far as |
| C．until | D．as soon as |
It was not until midnight _______ they reached the camp site.
| A．when | B．while |
| C．that | D．as |
Tom was about to close the windows ______ his attention was caught by a bird.
| A．if | B．when | C．and | D．till |