Only when our country has aircraft carriers _______ our distant islands more effectively.
| A．we can guard | B．can we guard | C．we guard | D．do we guard |
-----What do you think of the book I lent to you yesterday ?
------Oh, not too bad.It’s not too difficult_______.
A reading B.to be read C.to read D.being read
In order to go to the palace ball, the pretty girl______ himself ______.
| A．put, on | B．was dressed , in |
| C．dressed, up | D．had ,on |
There, a big memorial has been build _____ him, who devoted himself to the poor.
| A．in favor of | B．in memory of |
| C．in face of | D．in need of |
I shall never forget those years ________I lived in the country with farmers， ________has a great effect on my life.
| A．that；which | B．when；which | C．which；that | D．when；who |
________ many times，I still didn't know how to operate the machine.
| A．Having taught | B．Having been taught | C．Being taught | D．Teaching |