We would like to drop in at your house if ___________     
#69786
A
you are convenient
B
it is convenient of you
C
it is convenient to you
D
you will be convenient
推荐题目
I have two grammars, ______are of great use. 
#73806
A
all of which
B
either of which
C
both of that
D
both of which
Lisa, could you tell me ________ yesterday?
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A
what did the teacher say
B
what the teacher said
C
what will the teacher say
D
what the teacher will say