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_______ email is becoming more popular with many people, I still like writing to my friends.

The result was far beyond ______ we had expected, ______ brought great joy to every one of us.

The reason _______ he explained for his being late was ________ his alarm clock didn’t work.

The Libians will never forget Oct. 20, 2011, ____ Gaddifi was killed in Sirte,  ____ shocked the whole world..

Culture shock is a feeling____ most travellers experience in a foreign country____ they find the culture is quite different from that of their own.

Johnson bought a new car last week, and _______ doubled that of the old one.

I shall never forget those days ________ I stayed on the island ________ you visited last week.

— What do you think of our school, Thomas?
— Terrific! It is a school _______ everybody tries his best to improve himself and keep up with others.

I’ve become good friends with several of the students in my school _______ I met in the English speech contest last year. 

People ________do exercise every day have a better chance of staying healthy than those ________don’t.