1编号：4120题型：单选题测试正确率：50.49%
It’s more ______ to take the underground in Beijing.
2编号：4119题型：单选题测试正确率：72.49%
He told me some useful _______ just now.
3编号：4117题型：单选题测试正确率：60.19%
If you are ______ studying, you may take a rest.
4编号：4116题型：单选题测试正确率：57.93%
We should learn to ______ the new invention.
5编号：4115题型：单选题测试正确率：46.28%
The activity is ______ by the government.
6编号：4114题型：单选题测试正确率：57.14%
Planting trees on Tree Planting Day is really ______.
7编号：4113题型：单选题测试正确率：68.18%
When did your brother ______ the army?
8编号：4112题型：单选题测试正确率：65.91%
They had a ______ on the meeting.
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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