—It’s already nine o’clock.Would now be a(n) moment to show the sides?
—OK,go ahead please.
| A．necessary |
| B．gradual |
| C．suitable |
| D．important |
In 1778, Banks was elected ________president of the Royal Society, ________position he held for 42 years.
| A．/, a | B．/ , the | C．the, a | D．the, the |
He _______ English for four years before he went abroad.
| A．has studied | B．was studying |
| C．has been studying | D．had been studying |
Carelessness always contributes _______ car accidents. Therefore, drivers are advised to concentrate their attention _______ driving.
| A．for; to | B．to; on | C．with; on | D．in; to |
With a lot of difficulties _______, they went to the seashore and had a good rest.
| A．settled | B．settling | C．to settle | D．being settled |
The number of people present at the meeting _______ two hundred and a number of them _______ from the countryside.
| A．is, are | B．is, is | C．are, are | D．are, is |