单项选择题

However（）I couldn't find the solution to the problem.

A．hard did I try
B．hard I tried
C．I tried hard
D．I did try

<上一题目录下一题>

热门试题

单项选择题

Because of the terrible weather, the mountain climbers decided to put off the plan（） the next weekend.

A．at
B．in
C．on
D．until

相关试题