__________ to smart phones just before bed, as a research says recently, can lead to poor night’s sleep.
A. Being exposed B. Exposed C. Having exposed D. To expose
It was ________ of our boss to care so much about our feelings, as a result of which many of my co-workers decided to stay when our company was at risk.
A. modest B. particular C.strict D. considerate
I’ll take seriously ___________ advice you put forward.
A. whatever B. however C. whichever D. whenever
It was the boy, rather than his teachers, that _____________ for what the boy had done.
A. were to blame B. were to be blamed
C. was to blame D. was to be blamed
The old man ______________ toothache sighed in great relief.
A.ridding of B. rid of C. having rid of D. to rid of
Only after Mary read her composition the second time ________ the spelling mistake.
A. she has noticed B. did she notice
C. does she notice D. she noticed
