The is the most beautiful park _______ I have ________ visited.

[　　]

The number of people _________ lost homes reached as many as 250,000.

[　　]

The man ________ is smoking is my father.

[　　]

--Would you like some coffee?

-- Yes, please. By the way, do you have any milk? I prefer coffee ________ milk.

[　　]

Susan's parents have bought a large house with a swimming-pool. It __________ be very expensive.

[　　]

He said he saw nobody ________you last night.

[　　]

Don't trouble trouble __________trouble troubles you.

[　　]

-- What would you do if you _________ a million dollars?

-- If I_________ you, I'd give it to medical research.

[　　]

This math problem _________.

[　　]

A. can be easily work

B. can be easily worked

C. can is easily worked

D. may easily worked

Trees ________ in winter but in spring.

[　　]

A. not can be planted

B. can be not planted

C. can't be planted

D. can plant