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
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As we have known from the map of the world, this is ______. 
#92338
A
twice as large an island as that
B
twice as larger as that island
C
as twice as that one
D
twice as a large island as that
---My new job is not as wonderful as I expected.---Well, as the proverbs goes, “_________”
#93913
A
A year’s plan starts with spring.
B
A good beginning is half done
C
A light heart lives long.
D
The grass is always greener on the other side.
I think he must have seen me at the meeting last night, ______?
#93756
A
didn’t he
B
don’t I
C
do I
D
mustn’t he