It is_______ he often fails in exam_______ makes his parents worried about him.
#93109
A
because, that
B
that, that
C
不填, that
D
what, that
推荐题目
Entering the reading room, ______.
#93589
A
Mike and Tom were found seated quietly, doing their homework
B
Mike and Tom were found seating quietly, doing their homework
C
he found Mike and Tom seating quietly, doing their homework
D
he found Mike and Tom seated quietly, doing their homework
 It was nearly an hour ____the sleeping pill ______effect.
#94865
A
when; took
B
before; took
C
since; had
D
before ; had