While he     TV,a football flew into the room through the window.
#41227
A
watches
B
is watching
C
was watching
D
Watched
推荐题目
The potato is a plant ____ in places ____ it is too cold to grow some other plants.
#73856
A
grown; where
B
to grow; that
C
growing; where
D
grown; that
There is a police car in front of the house of our neighbour's. _____ do you think _____ ?
#71986
A
What;has happened
B
What;of happening
C
What;of being happened
D
Whatever;of happening
1 didn’t know ______ they got to know each other.
#68746
A
where was it
B
where it was
C
where was it that
D
where it was that
I;ll giev the novel to ___ wants to read it.
#73612
A
whomever
B
whatever
C
whoever
D
whichever
You will be late_______you leave immediately. 
#72164
A
until
B
if
C
or
D
unless