——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
Can you explain ________ the sun goes down in the west?
#84989
A
why is it that
B
why it is that
C
how it is that
D
how is it that
.It’s not ____books you read but the way ____ you read them that decides how successfully you gain knowledge .
#85427
A
a number of ; in which
B
the number of ; /
C
a good many ; which
D
quite a few ; in which
____ is those small daily happenings ____make life so special.
#84824
A
It / that
B
That / that
C
It / this
D
This /this