问题

It has been shown________exercising regularly is good both for one’s health and one’s confidence.[ ]

A:whether
B:when
C:that
D:what

正确答案是：

同类题型

What ____ sad news! We can’t get the movie tickets.

Could I use your mobile phone I have to call my momfor the coming class meeting. –Yes, of course you _____________.

The plan _______ to be a perfect one. [ ]

Mr. Chen is _____ generous man.He has donated a lot of money to people in need.

I first met Mr Smith in AmericaHe ________ at Stanford University then