Anne couldn't concentrate()what she was doing while her families were watching TV.
A、to
B、on
C、for
D、in
A、to
B、on
C、for
D、in
The Car Club couldn't _________ to meet the demands of all its members.
A) assume B) ensure C) guarantee D) confirm
A.with
B. to
C. about
D. of
A.shouldn’t
B.mustn’t
C.needn’t
D.couldn’t
A.nothing
B.everything
C.something
D.anything
A.Forget it
B.Go ahead
C.It couldn't be better
D.Not at all
A.temporarily
B. constantly
C. continuously
D. occasionally
The lecture which lasted about three hours was so that the audience couldn't help yawning.
A) tedious B) clumsy C) bored D) tired
If I hadn’t stood under the ladder to catch you when you fell, you ________ now.
A) wouldn't be smiling B) couldn’t have smiled
C) won’t smile D) didn’t smile
A. I couldn’t agree with you more.
B. It sounds reasonable.
C. It didn’ t last too long.
D. I’m going to listen to it