Most people advise that students’ heavy burden __________.
| A．reduce | B．be reduced | C．to be reduced | D．reduced |
The boy slipped out of the room and headed for the swimming pool without his parents’ _____.
| A．command | B．conviction | C．consent | D．compromise |
We won't know whether it will be successful. We won't know whether there will be good _____.
| A．ends | B．results | C．effects | D．causes |
The government placed _____ on the numbers of foreign cars that could be imported.
| A．limitations | B．restraint |
| C．requirements | D．restrictions |
. He ate what he could, and gave the _____ of the food to the birds.
| A．remain | B．uneaten | C．rest | D．part |
. Mary had taken _____ to see that her guests had everything that they could possibly want.
| A．efforts | B．pains | C．attempts | D．endeavors |