Barrack Obama __________ President of the United States since 2010.
#63757
A
became a
B
has become a
C
has turned
D
has been
推荐题目
The house is dirty because it ________ since they moved out.
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A
doesn't clean
B
isn't cleaned
C
hasn't cleaned
D
hasn't been cleaned
I got caught in the rain and my suit _______.
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A
has ruined
B
had ruined
C
has been ruined
D
had been ruined
When to go for the on-salary holiday yet?
#63766
A
are not decided
B
have not been decided
C
is not being decided
D
has not been decided
—Why did you come by bus?---My car broke down yesterday evening and I ____ it repaired.
#63789
A
didn’t have
B
don’t have
C
won’t have
D
haven’t had