— What did the teacher say just now? — Sorry, I didn’t hear it. I           out of the window.
#41695
A
look
B
looked
C
am looking
D
was looking
推荐题目
Don’t make a noise! They _______on a physics problem now.
#41516
A
will work
B
are working
C
worked
D
have worked
My brother came back home while I           homework.
#36261
A
am doing
B
did
C
was doing
D
were doing
Someone ______ at the door. Can you open it?
#36310
A
knocks
B
knocked
C
is knocking
D
was knocking