1编号：4300题型：单选题测试正确率：49.62%
We should never ______ till tomorrow what we can do today.
2编号：4126题型：单选题测试正确率：37.5%
Everything is under ______.
3编号：4125题型：单选题测试正确率：69.26%
We’d better travel by bike in order to ______.
4编号：4122题型：单选题测试正确率：79.61%
Don’t forget to ______ the lights when you leave.
5编号：4121题型：单选题测试正确率：55.68%
We can travel by bike______ by car.
6编号：4118题型：单选题测试正确率：63.07%
______ improve our English, we should study harder.
7编号：4116题型：单选题测试正确率：57.93%
We should learn to ______ the new invention.
8编号：4113题型：单选题测试正确率：68.18%
When did your brother ______ the army?
9编号：4111题型：单选题测试正确率：65.91%
Taking exercise can ______.
10编号：4110题型：单选题测试正确率：75.65%
It is really important to ______.
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