The new plane will __________ a series of test flights before it is put into use.
| A．go off | B．go down |
| C．go through | D．go up |
A vast area north of the Yangtze River ______by the first heavy SNOW of the new year，causing difficulties to the post-festival road transport.
| A．were affected | B．was affected | C．had affected | D．has affected |
Being examined twice a year，whether it is a car or a bus or a truck，is the rule that every driver _______obey in this city.
| A．shall | B．can | C．ought to | D．need |
— Do you have my passport, Janet?
— Yes, I have ________right here, in the locker.
| A．one | B．it | C．a very one | D．this |
The cakes are delicious. He’d like to have _____ third one because _____ second one is rather too small.
| A．a; a | B．the; the | C．a; the | D．the; a |
Emergency line operators must always _____ calm and make sure that they get all the information they need to send help.
| A．grow | B．stay | C．appear | D．become |