It was so dark in the theatre that I could hardly ________ my friend.
| A．turn out | B．bring out | C．call out | D．pick out |
What is the best way you can imagine ______the overuse of water in our school?
| A．reducing | B．to reduce | C．reduced | D．reduce |
We should do what we have to do ______ we can do what we want to do in the future.
| A．so that | B．in case | C．for fear that | D．now that |
Please don’t phone him between 1 and 3 p.m. tomorrow. He _____ a lecture then.
| A．has delivered | B．has been delivering | C．will be delivering | D．delivers |
If you are not satisfied with the price _______, we can still discuss it.
| A．being offered | B．to offer | C．offering | D．offered |
Drunk driving used to occur _______, but now it is under control.
| A．frequently | B．generally | C．practically | D．gradually |