________ entered the room ________ the bell rang.

A. We hardly had; when

B. Hardly had we; when

C. Hardly had we; than

D. Hardly did we; when

Not until all the fish died in the river ________ how serious the pollution was.

A. the villagers did realize

B. the villagers realize

C. did the villagers realize

D. didn't the villagers realize

________ be sent to work there?

A. Who do you suggest

B. Who do you suggest that should

C. Do you suggest who should

D. Do you suggest whom should

—You forgot your purse when you went out.

—Good heavens, ________.

A. so did I

B. so I did

C. I did so

D. I so did

Only in this way ________ to make improvement in the operating system.

A. you can hope

B. you did hope

C. can you hope

D. did you hope

Only when your identity has been checked, ________.

A. you are allowed in

B. you will be allowed in

C. will you allow in

D. will you be allowed in

The old couple have been married for 40 years and never once ________ with each other.

A. they had quarreled

B. they have quarreled

C. have they quarreled

D. had they quarreled.

—What's the problem?

—The meeting isn't over yet, but we can leave now, ___________?

A. won't we

B. shall we

C. is it

D. can't we

He ________ in his wallet.

A. has scarcely not any money left

B. scarcely has any money left

C. has scarcely no money left

D. has scarcely any money left

She set out soon after dark ________ home an hour later.

A. arriving

B. and arrived

C. to arrive you

D. having arrived