To get to the top of the mountain, we had to _______.A.go some walking B.do a lot of climbingC.walki

题目简介

To get to the top of the mountain, we had to _______.A.go some walking B.do a lot of climbingC.walki

题目详情

To get to the top of the mountain, we had to _______.
A.go some walking  B.do a lot of climbing
C.walking a long wayD.doing a lot of climbing
题型:单选题难度:偏易来源:不详

答案

B
have to后面跟动词原形。

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