The boss__________ the worker how to do it, or the accident couldn't have happened.

A. why

B. how much

C. whatever

D. how expensive

A. set out B. take up

C. go on D. get down

A. in case B. as well

C. as least D. in need

A. a good voice enough

B. a good enough voice

C. a voice enough good

D. an enough good voice

A. raised up B. borne up

C. brought up D. got up

A. to take B. took

C. taking D. have taken

A. turned away

B. turned down

C. turned over

D. turned through

A. whose B. who C. who’s D. that

A. That B. What

C. Which D. This

A. weren’t B. couldn’t be

C. won’t be D. isn’t