With his attention _________ on his book, he didn’t notice someone entering his room.
#90427
A
concentrating
B
concentrated
C
to concentrate
D
concentrates
推荐题目
The matter _______people’s health surely requires ______ carefully.
#89747
A
related to ; dealing with
B
related to ; dealt with
C
relating to ; being dealt with
D
relating to ; having dealt with
He is thought ___foolishly .Now he has no one but himself to blame for losing the job.
#88384
A
to act
B
to have acted
C
acting
D
having acted
It was so cold that he had the fire ___________ all night long.
#90365
A
to burn
B
burn
C
burning
D
burned
He got well-prepared for the job interview, for he couldn’t risk ____ the good opportunity.
#95886
A
to lose
B
losing
C
to be lost
D
being lost
________ with so much trouble, we failed to complete the task on time.
#93266
A
Faced
B
Face
C
Facing
D
To face