31. So serious ________ that even the best doctors failed to save his life.
| A．the man was injured | B．was the man injured |
| C．the man is injured | D．is the man injured |
In the terrible dream he found himself on the surface of a strange animal but it ______ to be his own pillow.
| A．turned out | B．turned over | C．turned down | D．turned off |
“What place is it?” “Haven’t you found out we _____ back where we ______?”
| A．were, had been | B．have been, are |
| C．are, were | D．are, had been |
Certainly I posted your letter—I remember ______ it.
| A．posting | B．to post | C．to be posting | D．have posted |
Scarlett Johnasson developed ______ interest in acting at three and has made herself perhaps ______ finest actress of her generation.
| A．an; a | B．/; the | C．an; the | D．/; a |
After being discovered by Dutch explorers in 1606，the eastern half of Australiaby the British in 1770．
| A．was claimed | B．claimed | C．was claiming | D．has been claimed |