Lisa wrote a letter in the morning, but Bob _______.
#41603
A
doesn’t
B
don’t
C
didn’t
D
wasn’t
推荐题目
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
--Is Mary in the classroom? -- No. She______ to the library. 
#38305
A
goes
B
had gone
C
has gone
D
would go
Our country _______ a lot in the last fifty years. 
#38761
A
will change
B
changed
C
changes
D
has changed
---How are you going to the park tomorrow?   ---I ________there. 
#40628
A
am by bike
B
ride my bike
C
am riding a bike
D
go on bike
Don’t worry. The blind man            to walk across the road soon by the policeman.
#39423
A
is helped
B
will be helped
C
was helped
D
has been helped