The word ‘milestone’ in paragraph 4 is closest in meaning to________.




A.a convenient way
B.a positive view
C.a special gift
D.an important event

The Concorde can fly across the Atlantic without re-fueling and carrying 11 tons of freight.




A.across
B.without
C.carrying
D.of freight

__________ the exam, he would have entered a college.




A.If he passed
B.Had he passed
C.Were he passed
D.If he should pass

It is strange that such a thing ___________ in your school.




A.will happen
B.happens
C.should happen
D.happened

The idea is that we ______ there.




A.will walk
B.could walk
C.walk
D.be walked

His advice is that it ________ at once is reasonable.




A.will be done
B.can be done
C.may be done
D.be done

She looked very tired as if she _______ from early morning till late at night.




A.was working
B.worked
C.had been working
D.has been working

It was suggested that they ________ the distance in very short time.




A.cover
B.would cover
C.had covered
D.covered

During the 1700s, Philadelphia developed into the most wealthy city in the American colonies.




A.During the 1700s
B.into
C.most wealthy
D.the American

_________(47)




A.flows
B.finds
C.flies
D.floats