I"m sorry, but I"m too busy to help you now. I can only do one thing

题型：江苏期末题难度：来源：

I"m sorry, but I"m too busy to help you now. I can only do one thing .[ ]
A. at one time
B. at a time
C. at time
D. at the time

答案

举一反三

—Can you wait a few minutes? —Yes, .[ ]
A. I"m in hurry
B. I"m not in hurry
C. I"m in a hurry
D. I"m not in a hurry

题型：江苏期末题难度：| 查看答案

— Do you know mother giant pandas have only one or two babies ______ ? 
— Sorry, I don"t know. [ ]
A. at a time
B. at time
C. at times
D. at that time

题型：江苏期末题难度：| 查看答案

I saw such a beautiful bird in my life. [ ]
A. on time
B. in time
C. at the same time
D. for the first time

题型：0110 期末题难度：| 查看答案

— How did he finish the work?
— I hear that he did it ______.

[ ]

A. in the own
B. on his own
C. of the own
D. all his own

题型：北京期末题难度：| 查看答案

Mother giant pandas have only one or two babies . [ ]
A. at a time
B. at the time
C. at this time
D. at that time

题型：期末题难度：| 查看答案