Even though he has lived in China for many years, Mark still can not _______ himself to the Chinese customs.
| A．apply | B．admit | C．adapt | D．accept |
.I told Sally how to get here, but perhaps I ________ for her.
| A．had to write it out | B．must have written it out |
| C．ought to have written it out | D．ought to write it out |
Some of the doctors are paid almost ______ as the nurses.
| A．twice as much | B．much as twice | C．as much twice | D．as twice much |
. The government has to close those small factories to prevent the water of the river ______.
| A．polluting | B．from polluting | C．being polluted | D．polluted |
If you keep on, you will succeed ________.
| A．in time | B．at one time | C．at the same time | D．on time |
—________ you__________ the editor at the airport?
—No, when we got there, he___________ driven away.
| A．Have; met; has been | B．Did; meet; had been |
| C．Did; met; have been | D．Have; met; was |