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4. Having run for just a week,the machine that quick. (break)
只用了一个星期,这台机器不应该那么快就坏了。
4. shouldn' t have broken down考查虚拟语气的用法。对已经发生的事表示虚拟,用should have done o(机器) 坏掉break down
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4. Having run for just a week,the machine that quick. (break)
只用了一个星期,这台机器不应该那么快就坏了。
4. shouldn' t have broken down考查虚拟语气的用法。对已经发生的事表示虚拟,用should have done o(机器) 坏掉break down