2. 外语
  3. The guide wheels of a roller coaster are used for______on straight-aways and hills.

The guide wheels of a roller coaster are used for______on straight-aways and hills.

admin2019-07-01  32
问题 The guide wheels of a roller coaster are used for______on straight-aways and hills.
选项 A、as gliding
B、to glide
C、gliding
D、glided
答案C
解析 The sentence needs a noun structure as the object of the preposition for. The answer, gliding, is a gerund.
转载请注明原文地址:https://www.kaotiyun.com/show/ASfO777K
0

托福（TOEFL）

相关试题推荐
随机试题
最新回复(0)