The shirt is so expensive. Can you reduce the price ________a third?
A．toB．byC．ofD．a(chǎn)t
B

試題分析：句意：這件襯衫很貴，你能把它的價(jià)格降1/3嗎？reduce by降了 ；reduce to表示“降到”根據(jù)句意故選B。
點(diǎn)評(píng)：本題難度適中。介詞是高中階段的重難點(diǎn)之一，介詞的選用要根據(jù)和動(dòng)詞的習(xí)慣搭配來(lái)確定。動(dòng)詞與不同的介詞搭配又不同的意義。
即學(xué)即練：They could reduce the price  ________＄125.
A．to      B．by      C．of      D．a(chǎn)t
解析：A。句意：這些東西可降到125美元。
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