They ______Hong Kong twice.
#63785
A
have gone to
B
have been to
C
have been in
D
have gone in
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We complained to the travel agency about the horrible service during our trip，but no one has________by now.
#63750
A
responded
B
deserved
C
recovered
D
survived
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
The house is dirty because it ________ since they moved out.
#63759
A
doesn't clean
B
isn't cleaned
C
hasn't cleaned
D
hasn't been cleaned
-- I have got a headache. -- No wonder. You_________ on the math exercises too long.
#63776
A
work
B
are working
C
have been working
D
worked
The famous reporter, who is said to go back to America next month, _____in China for almost twenty years.
#63756
A
lived
B
was living
C
has lived
D
had lived