About one fourth of the families in the city have private cars and this number _____ to double in five years.
| A．is expecting | B．has expected | C．is expected | D．will expect |
I climbed the stairs slowly with a big suitcase, my fatherwith two more.
| A．followed | B．was following | C．following | D．having following |
I ____ have been there, but I ____ not find the time.
| A．could; must | B．must; could | C．should; could | D．should; would |
____ is known to all is ____ Diaoyu Island is part of China.
| A．What; that. | B．It; that. | C．As; that. | D．What; what. |
----Where does your father work, Lucy?
----In England. But he _____ in France for 8 years.
| A．has worked. | B．has been worked. |
| C．have been working. | D．worked. |
It is many years ____ we enjoyed ourselves on the great occasion.
| A．since | B．that | C．before | D．when |