Le chauffeur _____ descendu plusieurs paq

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问题单项选择题

Le chauffeur _____ descendu plusieurs paquets à l’arrêt.

A．a

B．est

C．s’est

D． /

答案

参考答案：A

句型转换

同义句转换

1. It's time to have class.

It's time class.

2. He wanted to do nothing.

He want to do .

3. I spent RMB 10 buying the new pen.

I RMB 10 the new pen.

4. There isn't anything important in today's newspaper.

There is important in today's newspaper.

5. We'd like to go for a walk after supper.

We to go for a walk after supper.

单项选择题 A1/A2型题

与正常牙冠轴面突度的生理意义无关的是（）

A.维持牙弓形态，分散力

B.维持牙颈部龈组织的张力

C.保证食物正常排溢

D.保证食物流对牙龈的生理刺激

E.有利于提高自洁作用