1 . It is known that water is not an endless resource, ________ can it be made once more, so we should save and protect it.

A．so

B．as

C．thus

D．nor

2 . Barely ________settled down in Beijing when he was tasked ________over the company in Shanghai, whose CEO was diagnosed with cancer two weeks ago.

A．he had ; to take	B．had he ; with taking
C．had he; to take	D．he had; with taking

3 . When I got home last night, I was frightened to find that in front of my door ________.

A．was seated a large dog

B．sat a large dog

C．a large dog was seated

D．did a large dog sit

4 . ________ did I accept this unreasonable suggestion.

A．By no means

B．By all means

C．By means of

D．By this means

5 . People there would step on your feet or push you with their elbows, ________ (hurry) ahead to get a ticket. But on no account ________ stir up trouble with them.

A．hurrying; you mustn’t	B．hurried; you mustn’t
C．hurrying; must you	D．hurried; must you

6 . Hardly          when the wedding ceremony          to begin.

A．had the limousine arrived...announced

B．did the limousine arrive...announced

C．had the limousine arrived...was announced

D．arrived the limousine...was announced

7 . In the beautiful garden          an artificial hill (假山) and some tall trees.

A．stand

B．stands

C．have

D．has

8 . Not until Mr. Smith came to China          what kind of a country she is from.

A．didn’t he know	B．had he known
C．hadn’t he known	D．did he know

9 . 妈妈朝湖边走去, 然后传来一阵兴奋的尖叫声。
Mom walked towards the lake, and ________________．(名词短语作主语＋倒装句)

10 . Impossible ________ it is for us to live in an environment free of pandemic, we had better try our best to avoid ________.

A．however; affected	B．though; to be affected
C．although; being affected	D．as; being affected