1编号：4137题型：单选题测试正确率：52.75%
He got up early ______ he could get there on time.
2编号：4125题型：单选题测试正确率：69.26%
We’d better travel by bike in order to ______.
3编号：4123题型：单选题测试正确率：38.51%
Protecting the environment is a ______ activity.
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：4120题型：单选题测试正确率：50.49%
It’s more ______ to take the underground in Beijing.
6编号：4119题型：单选题测试正确率：72.49%
He told me some useful _______ just now.
7编号：4117题型：单选题测试正确率：60.19%
If you are ______ studying, you may take a rest.
8编号：4116题型：单选题测试正确率：57.93%
We should learn to ______ the new invention.
9编号：4115题型：单选题测试正确率：46.28%
The activity is ______ by the government.
10编号：4114题型：单选题测试正确率：57.14%
Planting trees on Tree Planting Day is really ______.
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