Before the first nonstop flight made in 1949,it______necessary for all planes to land for refueling.
#104556
A
would be
B
has been
C
had been
D
would have been
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After they _______ stars in their own country, the Beatles _______ the United States.
#99894
A
had become; toured
B
have become; toured
C
became; toured
D
became; had toured
I________all the cooking for my family，but recently I've been too busy to do it.
#99188
A
will do
B
do
C
am doing
D
had done
If we now to bring down the housing price ,it will surely make our society in disorder.
#100110
A
hadn’t acted
B
haven’t acted
C
don’t act
D
won’t act
Run as quickly as you can, otherwise you ___ in the heavy rain soon.
#103975
A
be caught
B
will be caught
C
will catch
D
would have been caught
We were listening closely to the lecture yesterday evening when suddenly the light ________.
#101755
A
had been gone out
B
go out
C
was gone out
D
went out