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题目内容（请给出正确答案）

[单选题]

A．couldn'tB．wouldn'tC．mustn'tD．shouldn't

A.couldn't

B.wouldn't

C.mustn't

D.shouldn't

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更多“A．couldn'tB．wouldn'tC．mustn'tD…”相关的问题

第1题

I suppose you couldn’t let me borrow your car this evening，？A.couldn’t IB.don’t IC.c

I suppose you couldn’t let me borrow your car this evening，？

A.couldn’t I

B.don’t I

C.could you

D.will you

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第2题

When a friend gave Jim a ticket to the game, he______go.A．couldn't helpB．cannot do butC．co

When a friend gave Jim a ticket to the game, he______go.

A．couldn't help

B．cannot do but

C．couldn't help but

D．just have to

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第3题

You___ to the theme park yesterday, it has not been made open to the public yet.A.couldn’t

You___ to the theme park yesterday, it has not been made open to the public yet.

A.couldn’t have gone

B.must have gone

C.needn’t have gone

D.should have gone

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第4题

You _______ have seen Jane in her office last Friday；she's been out of town for t

wo weeks.

A．couldn't

B．mustn't

C．wouldn't

D．shouldn't

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第5题

已知f1（t)=tε（t)，f2（t)=ε（t)-ε（t-2)，求y（t)=f1（t)*f2（t-1)*δ'（t-2)。

已知f₁(t)=tε(t)，f₂(t)=ε(t)-ε(t-2)，求y(t)=f₁(t)*f₂(t-1)*δ'(t-2)。

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第6题

What a lovely day, __.？

A.doesn't it

B.isn't it

C.hasn't it

D.won't it

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第7题

计算ε（3-t)ε（t)=（)

A.ε(t)-ε(t-3)

B.ε(t)

C.ε(t)-ε(3-t)

D.ε(3-t)

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第8题

---IsBobby__home---No,hegoes__thebookshop（）

A.in;in

B.t;at

C.t;to

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第9题

穿脱净化服流程（）。

A.手套T浴帽T净化帽T净化服T净化鞋T口罩

B.浴帽T净化帽T净化服T净化鞋T口罩T手套

C.手套T口罩

D.手套T口罩T浴帽T净化帽T净化服T净化鞋

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第10题

--Therealunch room（）

A.No,it isn't

B.isn't

C.ren't

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