One of the best_ of the 2Oth century is the mobile phone.
A. invents
B. inventions
C. inventors
D. invests
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The_news is that China is holding the biggest trade fair in the world in 2015.
A. latest
B. ultimate
C. final
D. last
Our products_ from quite cheap to very expensive.
A. rang
B. vary
C. choose
D. range
The _ of our raw material varies from year to year.
A. sauce
B. source
C. stuff
D. suit
The company was _ruined in 2011 but managed to recover quickly.
A. virtually
B. normally
C. hopefully
D. totally
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