Question

【题目】These days, people ________ many trees, so we don't have much clean air now.
A.cut down
B.come true
C.have to
D.get to

Answer 1

【答案】A
【解析】句意：这些日子里，人们砍倒了很多树，所以现在我们就没有了清洁的空气。cut down 砍倒;come true实现;have to 不得不;get to 到达。故选A。