Some people waste a lot of food ________ others haven’t enough to eat.
| A．however | B．when | C．as | D．while |
Our kitchen needs to be equipped with a special fan to _________ the smell of cooking.
| A．keep free | B．move off | C．get rid of | D．cut off |
.—Shall I begin the lecture?
－I’m afraid we have to wait for a while. John is coming with a microphone.
－_________.I can do without the microphone.
| A．I’m sorry | B．Excuse me | C．I beg your pardon | D．Never mind |
–What’s that noise?
--Oh, I forgot to tell you. The new machine __________.
| A．was tested | B．will be tested | C．is being tested | D．has been tested |
--People should stop using their cars and start using public transport.
-- __________. The roads are too crowded as it is.
| A．All right | B．Exactly | C．Go ahead | D．Fine |
The good thing about children is that they very easily to new environments.
| A．adapt | B．appeal | C．attach | D．apply |