2.____,I should ask them some questions.

题目

2.____,I should ask them some questions.
A.Should they come to us B.If they come to us
C.Were they come to us D.Had they come to us
选哪个?

答案

B.
If they come to us
如果他们（一会儿）来,我得问些问题.
一般现在时表示将来