Yesterday morning I was just leaving_______ the telephone rang.
#55954
A
when
B
while
C
because
D
since
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The police ____ still not sure ______ the young man killed himself or was killed.
#56977
A
is, if
B
is, whether
C
are , whether
D
are, that
 —Look out! Don’t run the red light when crossing the road next time.—_______________. 
#55480
A
You’d better not.
B
Yes, I’d love to.
C
Sorry, I won’t.
D
OK. I will.
Look! _______ some juice in the glass. 
#58424
A
There is
B
There are
C
There have
D
There has