Don’t touch your eyes, nose and mouth, because they aren’t covered by skin and can _______ the virus more easily.
| A．take up | B．pick up | C．make up | D．set up |
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 |
Three of the town’s factories have closed down _____ the space of a year.
| A．among | B．after | C．beyond | D．within |