Mr. and Mrs. White _______ at 8: 30 for the wedding, but they don’t show up.
| A．should have arrived | B．must have arrived |
| C．can not have arrived | D．needn’t have arrived |
So difficult______it to live in an English-speaking country that I determined to learn English well.
| A．I have felt | B．Have I felt | C．I did feel | D．did I feel |
The new law has come into _____; surely it will have _____on industry of the country.
| A．affect; an effect | B．effect; affect |
| C．effect; an effect | D．an effect; an effect |
He picked up an envelope ____50 dollars in it.
| A．containing | B．contained |
| C．which contains | D．which was contained |
The husband rushed to the hospital ____ he heard that his wife was injured.
| A．at the moment | B．for the moment | C．directly | D．in a moment |
At the shopping centre, he didn’t know what _____ and _____ with an empty bag.
| A．to buy; leave | B．to be bought; left | C．to buy; left | D．was to buy; leave |