While the boy ______ down the street, the UFO _____ . 
#41890
A
was walking; was landing
B
walked; landed
C
was walking; landed
D
walked; was landing
推荐题目
There  _______ an English party this weekend.
#41823
A
is
B
are
C
is going to be
D
is going to have
What languages ________ in that country?German and English.
#38887
A
are speaking
B
are spoken
C
speak
D
is spoken
---What’s your sister doing now?--- She ______ her homework.
#39656
A
does
B
will do
C
is doing
D
was doing
I_______ my homework when the door bell__________.
#39940
A
did, rang
B
was doing, was ringing
C
did, was ring
D
was doing, rang
They are living with their parents for the moment because their own house ____.
#37078
A
is being rebuilt
B
has been rebuilt
C
is rebuilt
D
has rebuilt