问题

They discussed ________ they could settlethe problem without others’ help.
A:if
B:that
C:what
D:whether
B:that
C:what
D:whether
正确答案是:
同类题型
Mr. Chen is _____ generous man.He has donated a lot of money to people in need.
In only 10 years, our province has been _____ into an advanced industrial province. [ ]
—-How about the two of us chatting online —- ____ . It’s much cheaper than talking on the phone.
After ________ his right arm, he keep on ________ with his left arm.