问题

What many people wonder is ______ there is any connection between our senses and our health. [ ]

A: that
B: how
C: whether
D: why

正确答案是：

同类题型

下列词语中加线字注音全都正确的一项是(　　)

My son prefers us to email each other once a weekspend half an hour on the phone every night

_______for us to discuss the problem againIt has already been settled[ ]

Please wait a minute, honey! I _______ my work.

s, ________ in the news, who are infected withH7N9 have come up to 28