We usually use "an" before a word beginning _____ a vowel (元音音素). [ ]

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A. of
B. with
C. at
D. as

答案

举一反三

What do the roses usually stand _____, do you know?
Yes, love.[ ]
A. of
B. at
C. for
D. against

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The Great Pyramid is made _____ of two million stones and each stone _____ more than two tons. [ ]
A. from; weighs
B. up; has
C. from; has
D. up; weighs

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Were you watching TV _____ 8:00 _____ 9:45 yesterday? [ ]
A. at; and
B. from; and
C. between; to
D. from; to

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—I think collecting things is good for health.
—Yes, I quite ______ you. [ ]
A. agree
B. agree to
C. agree on
D. agree with

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I am interested _____ football, but I am not good _____ it. [ ]
A. on; in
B. with; for
C. in; at
D. for; in

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