Robert is away. He _______ America since last week.
#36502
A
has been to
B
has joined a club in
C
has studied in
D
has become a manager in
推荐题目
Tom      Kate since two years ago, and they have had a child.
#37444
A
got married with
B
married to
C
has been married to
D
married
You have been to Beijing. How long _______ you ______ there/
#41923
A
did…stay
B
have…stayed
C
do…stay
D
will…stay
10 years ago, _________ only one classroom building in our school. And in 10 years, _________ five classroom buildings in our school.
#40516
A
there will be, there are
B
there was, there will be
C
there will be; there was
D
there was, there are
Beijing ______a lot in the past ten years. Now it has become one of the biggest modern______ in the world. 
#38493
A
changes, cities
B
changed, city
C
changed, cities
D
has changed, cities