问题
选择题
You can come here to ask me ________ if you have any questions.
A.at one time
B.at a time
C.at any time
D.all the time
答案
答案:C
考查短语辨析,at one time 一度,曾经,at a time 一次,每次,at any time 在任何时候,all the time 一直,句意:如果你有问题的话任何时候你可以过来问我。故选C。