When he realized the police had spotted him, the man _______the exit as quickly as possible．
| A．made off | B．made for | C．made out | D．made up |
_______ for several weeks, the city was short of food and clothing.
| A．As having flooded | B．As flooding |
| C．Having been flooded | D．To flood |
We walked as fast as we could, _______ to catch the 9:30 train.
| A．hoping | B．to hope | C．we hoped | D．being hoped |
It is essential that every child _______ the same educational opportunities.
| A．have | B．would have | C．has | D．had |
The scientists are beating their brains trying to _______ a solution to the problem.
| A．come about | B．come across | C．come out | D．come up with |
It was _______ back home after the experiment.
| A．not until midnight did he go |
| B．until midnight that he didn’t go |
| C．not until midnight that he went |
| D．until midnight when he didn’t go |