Keep two extra pencils ______while taking the examination.
A. at ease
B. at length
C. at hand
D. in turn
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I don't know what______ Alfred to read your letter. ______he thought it was addressed to him.
A. made; Supposedly
B. induced; Presumably
C. stimulated; Possibly
D. introduced; Probably
Chickens can be called "natural foods" only when______.
A. they are delicious
B. they are fed on food little better than rubbish
C. they lay eggs rich in vitamins every day
D. they are allowed to move about and eat freely
Please keep the numbered cards in______; don't mix them up.
A. series
B. succession
C. sequence
D. procedure
Why does the matchmaking still exist in Korea？
A. Because most people want to keep the bloodlines pure and chance encounters romantic.
Because most people try to avoid romance and keep the bloodlines pure.
C. Because most people regard marriage as continuing family lineage and romance.
D. Because most people try to break family lineage and bloodlines.
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