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
—Look, the palace is so great.—Yeah, it nearly 800 years ago.
#39284
A
was building
B
was built
C
has built
D
is built
— What are the kids doing?— They ______ flowers in the garden.
#42051
A
water
B
watered
C
have watered
D
are watering
--Where were you at 7:00 last night? -- I to my mom at home.
#41737
A
write
B
was writing
C
wrote
D
am writing
