He lost his favorite watch, _________ made him very sad.
#68676
A
that
B
it
C
which
D
as
推荐题目
_____, the weather turned out to be very hot that day.
#73472
A
It was said in the newspaper
B
As was reported on the radio
C
Just like the weather report says
D
It so happened as you told me
The clock was striking twelve ______ down the street. 
#74557
A
because I walked
B
as I walked
C
since I was walking
D
while I was walking