Only after being attacked by the Japanese in Pearl Harbor ________in the Second World War thoroughly.
| A．had America involved | B．was America involved |
| C．America had involved | D．America was involved |
_______ is the strength of union that all the difficulties, if any, can be dealt with.
| A．That | B．It | C．Such | D．So |
Only when you have obtained enough data ________ come to a sound conclusion.
| A．can you | B．you can | C．would you | D．you would |
After several rounds of competition, the little girl ______ because of her excellent English and quick wit.
| A．stood out | B．picked out | C．turned out | D．came out |
Out of the crowded bus __________, who was dressed in a black suit and waving to a woman.
| A．stepped a tall man in his thirties | B．a tall man in his thirties stepped |
| C．did a tall man in his thirties step | D．did a tall man step in his thirties |
―We didn’t see Robert at the opening ceremony yesterday.
―No, he _______ it.
| A．mustn’t have attended | B．needn’t have attended |
| C．needn’t attend | D．didn’t need to attend |