—Tony, you must have noticed the student who broke the glass.—I'm sorry.I________attentively.
#99685
A
studied 
B
was studying
C
am studying 
D
would study
推荐题目
—Who do you guess I am? —Sorry, your name ____ my mind.
#99394
A
slipped
B
has slipped
C
had slipped
D
slips
Jim talked for about half an hour yesterday. Never__ him talk so much.
#104401
A
I heard
B
did I hear
C
I had heard
D
had I heard
They made up their mind that they______ a new house once Larry changed jobs. 
#99080
A
bought
B
would buy
C
have bought
D
had bought