问题
选择题
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 way
D．doing a lot of climbing
答案
答案：B
have to后面跟动词原形。
搜题请搜索小程序“爱下问搜题”
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 way
D．doing a lot of climbing
答案：B
have to后面跟动词原形。