In the speech, the headmaster recommended the students not to ______ with dishonest people if they value sincerity and honesty.
| A．hang on | B．hang around | C．hang up | D．hang together |
We know a lot about these early years of European settlement because most migrants ________ with their families and many of their letters still survive.
| A．corresponded | B．related | C．associated | D．combined |
We are working under the command of the manager that no _______ be spared to make the party a success.
| A．trouble | B．expedition | C．expense | D．experience |
For sustainable development, the government has decided to give __________ to those energy conserving and environmental-- friendly business in many aspects.
| A．profit | B．interest | C．advantage | D．preference |
I counted the people the activity, and there were 286 of them.
| A．were taking part in | B．taking part in |
| C．taken part in | D．took part in |
They had kept working for several weeks everything was in order.
| A．before | B．after | C．since | D．unless |