【单选题】【消耗次数：1】
She ________ the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
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【单选题】
She_______ the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
【单选题】
2.She the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking
【单选题】
She ___ the door before she goes away.
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①
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①
worked
②
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③
had worked
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She has breakfast at seven everyday, _____?
①
has she
②
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③
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④
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【单选题】
She was so _____ in her job that she didn’t hear someone knocking at the door.
①
attracted
②
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③
absorbed
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随机题目
【多选题】
Your long-term memory_________ everything that you remember.
①
forgets
②
connects
③
contains
④
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【单选题】
This English song___ by the girls after class.
①
often sings
②
often sang
③
is often sang
④
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【多选题】
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①
边际效用不可能为负值
②
边际效用与总效用呈同方向变动
③
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④
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【多选题】
1966年以前，天主教徒在星期五不许吃肉，他们便吃鱼，1966年，教皇允许教徒们在星期五吃肉，则
①
一周内的平均鱼价将上涨
②
鱼的消费量将增加
③
鱼的消费量将减少
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【判断题】
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①
正确
②
错误
【多选题】
There is a variety of programs___________ one can see on every channel.
①
that
②
what
③
which
④
why