问题

Hiking trips ________ sound exciting to most kids, but few realize they ________ be uncomfortable and even dangerous. [ ]
A: may; can
B: must; should
C: would; should
D: can; will
B: must; should
C: would; should
D: can; will
正确答案是:
同类题型
onth, the Japanesegovernment expressed their thanks for the aid they ______ from China
I’ll keep his address _____ I need it
How long have you been here— Only about five minutes Henryand Simon ______ here with me
. Put the books back _______ they belong after you have finished them.
He couldn’t ____ the noise, so hekept the windows shut all day long.