. They can't be working now. It's time they ________ the office.
| A．have left | B．would leave | C．could leave | D．left |
------Do you feel like ___there or shall we take a bus?
-----I’d like to walk. But since there isn’t much time left ,I’d rather you ___a taxi.
| A．walking; hire | B．to walk; hare | C．to walk; hired | D．walking; hired |
The day we are looking forward__________at last.
| A．to come | B．to coming | C．came | D．to came |
The boy wanted to play games at home but his mother told him __________.
| A．not to | B．not to do | C．not do it | D．don’t do |
This disaster ______ that people had no knowledge of first aid and they hadn’t known how to protect them-selves in face of danger.
| A．led to | B．contributed to | C．resulted in | D．lay in |
The train had left, so we could do nothing but ________ another.
| A．wait | B．to wait | C．waited | D．waiting |