It was 1920 ______ regular radio broadcasts began.
#32553
A
while
B
when
C
that
D
since
推荐题目
Tell your doctor with a detailed medical history ______ he can give you the accurate treatment.
#31347
A
even if
B
so that
C
in case
D
as though
_____ I say Clancy is a smart boy, he still needs to work hard to achieve his goal.
#30776
A
Then
B
When
C
While
D
As
This college allows students to develop their own interests, to ______ extent they wished．
#31858
A
whoever
B
whatever
C
however
D
whenever
The Chinese government has decided to develop the west of China，____，I dare say，will benefit the people there，especially those who are still leading a poor life.
#32342
A
what
B
whatever
C
which
D
as
I toured Zhangjiajie, I was deeply impressed with its beautiful scenery.
#31355
A
The first time
B
At first
C
For the first time
D
It was the first time