Linda worked for the Minnesota Manufacturing and Mining Company, 　　   as 3M.

A. knowing　　　　　　　　　　　　　　 B. known

C. being known　　　　　　　　　　　　 D. to be known

— You ________ to take part in the party.

— Sorry, I ________ by the accident.

A．are supposed, delays

B．were supposed, was delayed

C．have been supposed, delayed

D．had been supposed, was delayed

I have ________ not had dinner, but I haven’t ________ decided whether to go to the dinner.

A．yet, yet

B．still, still

C．yet, still

D．still, yet

The naughty boy who narrowly escaped________ remained ________ there.

A．to drown; working

B．drowning; played

C．drowned; asleep

D．being drowned; standing

—A man answered the phone. I suppose it was her husband.

—It ________ her husband．He has been dead for ages.

A．mustn’t be

B．mustn’t have been

C．couldn’t be

D．couldn’t have been

The captain ________ his ship through the narrow channel.

A．managed

B．traveled

C．drove

D．sailed

— Have you discussed the plan at the meeting?

—Yes, but it should be ________ examined, I think.

A．further

B．more

C．another 

D．rather

—Who ________ it be that is knocking at the door?

— It ________ be Father, but I’m not sure.

A．can; may

B．must; can

C．may; must

D．need; should

You’ll never learn to ride a bicycle if you don’t ________

A．practice

B．drift

C．train

D．exercise

To her delight, her wish ________ at last.

A．realized

B．came true

C．carried out

D．put into practice