The summer holidays are not far away _________ we can stay at home and read some good books.
#68688
A
where
B
when
C
why
D
in that
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The problem lies ___ she knows little English.
#73620
A
that
B
in the fact
C
in fact that
D
in the fact that
The expert offered us another piece of advice,_____of great help to our program. 
#73723
A
I think it is
B
I think which is
C
which I think it is
D
which I think is 