I’ve become good friends with several of the students in my school ______ I met in the English speech contest last year.
#77493
A
who
B
where
C
when
D
which
推荐题目
He gave us another piece of advice, ________ of great help to the research work. 
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A
which I think is
B
which I think it is
C
I think which is
D
I think it is
The reason ________ he didn’t come is ________ he was ill. 
#75222
A
why;that
B
that;why
C
why;because
D
why;what