问题

Good friends as we are, I still find her difficult to understand ________

A:at one time
B:at a time
C:at times
D:at the time

正确答案是：

同类题型

“” “It’ssunny but cold.”

Hello! There is something wrong with my computer and it can’t work now.— Don’t worry. _____________ What’s your telephone number

____________, I wouldn’t have finished myhomework.

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