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
. ________ when the boulders suddenly disappeared.
#70294
A
So relieved we felt
B
How relieved we felt
C
What a relief we were feeling
D
How we felt relieved
)You can give the document to _______is in the office.However, _______to require a written paper for it.
#72304
A
who;make sure
B
whom;making sure
C
whomever;be sure
D
whoever;be sure