By the time he arrived at the airport, the plane            .
#41977
A
has taken off
B
was taking off
C
would take off
D
had taken off
推荐题目
---What are you going to do next weekend?---I _____ yet. Do you have any good ideas?
#37517
A
haven't decided
B
won't decide
C
have decided
D
didn't decide
 It is reported that more new teaching buildings ___ in our school next term. 
#41558
A
will be built
B
was built
C
has built
D
will build
Jeremy Lin __________ an unknown basketball player in New York Knicks for quite a long time.
#40498
A
used to be
B
used to being
C
is used to be
D
was used to be
There ________ a wonderful English movie in the school hall next Sunday.
#41506
A
is going to
B
is going to be
C
has
D
have