题目内容

Our future depends how well we solve the problems today.(

A. at
B. in
C. for
D. on

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This teacher has over twenty years' in English teaching.(

A. working experience
B. work experience
C. work experiences
D. working experiences

The history of that famous picture can stretch 500 years ago.(

A. back to
B. out
C. for
D. to

The students come from many different .(

A. country
B. countries
C. country's
D. countrys

How many do you have in the basket?(

A. tomato
B. tomatoes
C. tomatos
D. tomato's

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