——Will you come to the dinner party?——I won’t come unless Mary ________. 
#41284
A
invites
B
will be invited
C
is invited
D
invited
推荐题目
_____several times,but unfortunately,the boy still couldn’t smooth away the problem on his own.
#73673
A
Having been explained
B
The problem having been explained
C
The problem had been explained
D
Although the problem had been explained
—Could you do me a favor?—It depends on _______ it is. 
#72185
A
which
B
whichever
C
what
D
whatever