The problem of the present world is that those who are imaginative have little experience_________those who are experienced have weak imagination.

A．unless                    B．although        C．because              D．while

I went the village yesterday_________ to see my uncle, who lived there for 20 years.

A. special          B. especially   C. specially    D. especial

---I heard that you made a bicycle trip to the 2010 World Expo of Shanghai alone.

---No. Actually, my friend Bob ________ me.

A. accompanied      B. conducted

C. instructed        D. received

This problem is said _______ three times, but he still can’t understand it.

A. to have been explaining               B. to have explained

C. having been explained                 D. to have been explained

—Hi, Mr．Brown! May I pick a flower in the park?

—_______.

A. No, you don’t            B. No, you mustn’t

C. No, go ahead          D. Yes, you could

---Where is your new home now?

---In the new developed zone. But I _____ downtown for five years.

A. have lived                B. had lived

C. lived                          D. was living

They usually have the medicine_______ before putting into the market all over the country.

A. testing out        B. to be tested out

C. being tested out   D. tested out

I’d like to buy a house --- modern, firm, comfortable, and ________ in a quiet neighbor-hood.

A. in all            B. above all         C. after all          D. at all

My sister was against my suggestion while my brother was ________it.

A. in honor of           B. in memory of

C. in search of          D. in favor of

The manager slept very late last night, ________at midnight.

A. or rather         B. rather than      C. other than        D.more than