It was not until the beginning of the twentieth century________to explore space.
#93086
A
did man begin
B
when man began
C
that man began
D
then man began
推荐题目
Although punctual himself, the professor was quite used ________ late for his lecture.
#94923
A
to have students
B
for students’ being
C
for students to be
D
to students’ being
When you study the local map, you will find this town is .
#91989
A
twice as a large town as that
B
twice the size that one
C
twice as larger as that one
D
twice as large a town as that one
—My teacher says she’s canceling the class play. I just can’t understand.—______.You were looking forward to it.
#93351
A
It doesn’t matter
B
It’s very unwise of her
C
Don’t worry about it
D
You must be disappointed
----Is this the first time you _____Chengdu ?----No. But the first time I _____here, the city wasn't so beautiful.
#92662
A
visited, came
B
visited, have come
C
have visited, have come
D
have visited, came