题干
一Do you have any plans for this summer holiday?
一I'm not sure. I take a trip to the USA.
A：should
B：need
C：must
D：may
答案(点此获取答案解析）
D
一Do you have any plans for this summer holiday?
一I'm not sure. I take a trip to the USA.
A：should
B：need
C：must
D：may
