——Who       it be that is knocking at the door?——It       be Father, but I’m not sure. 
#85013
A
can; must
B
can; may
C
must; can
D
may; must
推荐题目
The owner still doesn’t know _______ broke into the house and stole the money.
#84679
A
when it was that
B
who it was that
C
who was it that
D
when was it that
It is __________ you do rather than __________ you say __________ matters.
#84690
A
what; what; that
B
that; what; that
C
what; that; what
D
what; that; that
Wow, you are in high spirits. _________ makes you so happy?
#84801
A
What it is that
B
What is it that
C
What is that
D
What it that
 What the boy ____ make his friends happy.
#85424
A
does did
B
did did
C
do do
D
do does