In recent years the consumption of aspirin _______ enormously in America.A was i
题型：不详难度：来源：
In recent years the consumption of aspirin _______ enormously in America.
A was increasing B. has increased C. had increased D. will be increasing |
答案
| B |
解析
试题分析：句意：在最近几年，阿司匹林的消费在美国急剧的增长。表示自过去某一时刻到说话时这段时间中的经历，用现在完成时，选B。 |
举一反三
China"s present environment situation is from bad to worse and if we _________ now to protect the environment, we’ll live to regret it. | A．hadn’t acted | B．haven’t acted | C．don’t act | D．won’t act |
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The central heating system of this office building is down and several workers ______ it right now.| A．had repaired | B．have repaired | C．repaired | D． are repairing |
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— Mum, I really think Dad should have a break and get relaxed.
—Yes. He_________ too long.| A．read | B．had read | C．has been reading | D．is reading |
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—You"ve got your flat furnished, haven"t you?
—Yes. I some used furniture at the Sunday Market and it was a real bargain.| A．will buy | B．have bought | C．had bought | D．bought |
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I’ll go to the library as soon as I finish what I .| A．was doing | B．am doing | C．have done | D．had been doing |
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