Gun control is the subject ________ Americans have argued for a long time.
A. which B. with which C. about which D. of which
Only when I left my parents for Italy, ________how much I loved them.
A. I realized B. I had realized C. had I realized D. did I realize
He is a poorly learned man, but he acts as if he ______.
A. is B. were C. should be D. seems like
The purse found on the playground matches the ______ by Mary, so it must be hers.
A. direction B. expression C. description D. instruction
If a person has not had enough sleep, his actions will give him _______ during the day.
A. away B. up C. in D. back
The engineers are so busy that they have no time for outdoor sports activities, ________ they have the interest.
A. wherever B. whenever C. even if D. as if
