While she _____ TV, someone _______ at the door.
#55631
A
watch, knocked
B
was watching, knocked
C
watching, knocking
D
was watching, is knocking
推荐题目
—It’s very hot in the room! --_______ the door open?
#55563
A
Why don’t keep
B
Why don’t to keep
C
Why not keep
D
Why not you to keep
--Would you like to go bike riding with us tomorrow? ---Sure, ____ I am busy.
#57365
A
since
B
unless
C
when
D
until
_____ he was very tired, he continued working in his office.
#55324
A
Since
B
Although
C
As soon as
D
Because
