It was not until 1920      regular radio broadcast began.
#71629
A
while
B
which
C
that
D
since
推荐题目
 It’s not until no enemies were left that they________ . 
#72174
A
did not stop fighting
B
did stop fighting
C
stopped fighting
D
have stopped fighting
No matter ______ the CRH accident in Wenzhou, it had and will have much warning significance.
#67709
A
how the investigators said caused
B
what the investigators said caused
C
why the investigators said caused
D
the investigators said how caused
He has three children,         are doctors.
#68700
A
and two of whom
B
two of them
C
two of whom
D
two of which
If you ___________ him around, he ______________ mad at you.
#41180
A
will follow; is
B
follow; is
C
will follow; will be
D
follow; will be