问题
They have the right to check ______ the will is valid(有效的), of course.
A:whether
B:why
C:when
D:how
B:why
C:when
D:how
正确答案是：
同类题型
________，themayor’s health care reform hasn’t been accepted by all the people in the cityyet
Can you imagine that a smart man likehim_____ make such a stupid mistake
Will we see him again? —– YesIt will be not long _______ he comes back
May I know _______ your parents–Usually by phone, and sometimes by WeChat.