The children, _____ had played the whole day long, were worn out.
A. all of what B. all of them
C. all of whom D. all of which
——Excuse me, but could I trouble you for some change?
——______. Will pennies do?
A. I know B. Let me see
C. I am sure D. Never mind
The accident caused some _____ to my car, but it’s nothing serious.
A. harm B. injury C. ruin D. damage
Not until he went through real hardship ______ the love we have for our families is important.
A. did he realize B. had he realized
C. he realized D. he had realized
Old-fashioned phones matter when wireless networks _____ in disasters.
A. turn down B. break down C. turn out D. break out
Michelle found a job as a high school teacher which _____ spending quite a lot of time with students.
A. enjoys B. practices C. involves D. suggests