问题

Why do you look worried?— Because what I am really concerned about is _____my friend can do me a favor or not.

A:although
B:whether
C:when
D:where

正确答案是：

同类题型

(2014·沈阳高三质检)I think we should________a good attitude towards failures and try to deal with them with a calm and cool mind.

I ______ him for a long time.

Her mini skirt costs more than 500 dollars.— I can ____________ believe that. It’s so expensive.

o you think of the musicteacher——-_____________she is an elegant lady,she can be extremely difficult to work with

If you ____________a belief, principle or feeling, you decide that you will not be influenced by it.