It was too hard for the firefighters to get close to the burning building. All their attempts to rescue the people trapped were ______.
| A．in place | B．in return |
| C．in vain | D．in danger |
Mr. Smith never does any reading in the evening; __________.
| A．so does Mrs. Smith |
| B．neither doesn't Mrs. Smith |
| C．nor does Mrs. Smith |
| D．nor Mrs. Smith does |
The foreigners are _______ by the __________ progress that the Chinese have made.
| A．amazing; amazing |
| B．amazed; amazed |
| C．amazed; amazing |
| D．amazing; amazed |
You say he works hard, __________ and __________.
| A．so he does; so you do |
| B．so he does; so do you |
| C．so does he; so do you |
| D．so does he; so you do |
How long have you __________ the army?
| A．joined |
| B．joined in |
| C．taken part in |
| D．been in |
He was filled with sadness as he watched her __________ the crowd.
| A．disappeared |
| B．disappear into |
| C．disappearing |
| D．disappeared into |