1编号：24451题型：填空题测试正确率：48.78%
The____ (leaf) on the tree turn yellow.
2编号：24447题型：单选题测试正确率：15.09%
A worker ant(工蚁) has two , one for itself, and one for carrying food to“the folks back home.”
3编号：24446题型：单选题测试正确率：33.69%
Look! Those three are talking with the three .
4编号：24445题型：单选题测试正确率：35.81%
—I’ve got a little in my house.一Why not keep two or more?
5编号：24440题型：单选题测试正确率：57.07%
The often eat grass on the hill.
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