—Excuse me, is Mr Green in the office?—No. He          Singapore for a meeting. He will be back in a few days.
#58334
A
have gone to
B
has gone to
C
have been to
D
has been to
推荐题目
Grandma is ill. I have to ________ her at home.  
#62031
A
look for
B
look up
C
look at
D
look after
He is old, but he ____ have gray hair.
#57540
A
does
B
do
C
don’t
D
doesn’t
________ you enjoy ________ in the river?
#62407
A
Are, swimming
B
Do, swimming
C
Are, to swim
D
Do, to swim
—What’s wrong with you?—I can’t decide ______ next. 
#53266
A
how to do
B
what to do
C
what to do it
D
how can I do