Rewrite the following sentences and the meaning stays the same.
It was my first visit to North America.
A.I have never been to North America before.
B.I have never been to North America then.
C.I had never been to North America before.
D.I have never been to North America.

The appearance of one or several species may result in the loss of __________.
A.biology
B.biodiversity
C.diversity
D.university

I have never played table tennis before. This is the first time I ________ to play.
A.have tried
B.had tried
C.am trying
D.try

As a result of Japan’s economic growth, many political difficulties have ______.

A.experienced
B.lifted
C.raised
D.arisen

- Tom: “Why don’t we buy Tim a book as a birthday present?” –Jill: “________”
A.Tim will be fourteen next week.
B.What a good idea!
C.I don’t think I will do it.
D.Do you like it?

Although some societies are ________ undeveloped, their languages – from a linguist’s point of view – are very complex.
A.technology
B.technological
C.technologically
D.technologist

Not anything can stop us from doing our best to save the endangered species.
A.not anything
B.us from
C.to save
D.species

We are not used______ on the left.
A.to drive
B.to driving
C.driving
D.to be driven

Make up sentences with the words given.
It/an hour/wash/his car./
A.It took him an hour wash his car.
B.It took him an hour washing his car.
C.It took him an hour to be washed his car.
D.It took him an hour to wash his car.

Make up sentences with the words given.
Nam/give/a book/ his / last birthday/
A.Nam was given a book on his last birthday.
B.Nam was given a book at his last birthday.
C.Nam has given a book on his last birthday.
D.Nam was given a book from his last birthday.