_____ , I think, and the problem could be settled.
| A．If you make your efforts | B．So long as you keep your spirits |
| C．A bit more efforts | D．making great efforts |
Please tell Tom not to leave the classroom unless he ______ that all the lights ______.
| A．makes sure; are turned off |
| B．makes sure; will be turned off |
| C．is made sure; are turned off |
| D．will make sure; will be turned off |
The ticket ______ two people to the party.
| A．permits | B．admits | C．promises | D．allows |
When asked by the police, he said that he remembered ______ at the party, but not ______.
| A．to arrive; leaving | B．arriving; leaving |
| C．arriving; to leave | D．to arrive; to leave |
—The outing has been put off till next Friday due to the weather.
—______
| A．Not at all. | B．It’s up to you. | C．I’ve got it. | D．How was it? |
The wings of the plane, which stretched out for 80 feet, were ______ of its body.
| A．more than the length twice |
| B．more than twice the length |
| C．twice the length more than |
| D．twice more than the length |