问题

Maths ________ not easy to learn.
A:are
B:is
C:am
D:were
B:is
C:am
D:were
正确答案是:
同类题型
The lovely girl is from Chongqing. ______ name is Judy.
Tomorrow we are going to Xixi National Wetland Park. Let’s____at the gate on Wensan Road.
Excuse me, where is Mr.Smith’s office- He isn’t here now. He here for almost one year.
What else do you think we should pay attention _________ our environment—- Sorry, I’ve no idea.