10.Mr .Nam ………wearing a helmet when he goes somewhere on his motorbike.
A. used to B. is using C. is used to D.is used for.
Read the following passage and choose the word or phrase that best fits each of the numbered
blanks.
Water is our life source. It (11)____ 70% of our bodies, and the average person actually spends
about six months of his life in the bath or a shower. But we are only now (12)______ how to look after
water. Acid rain has polluted (13)_____ 18,000 lakes. Our seas and rivers are polluted, too. It is now
very expensive to overcome the damage that has been done. However, we have some hope for the
future (14)_____ some new sources of water have been discovered. People living in the Sahara desert
have found fish (15)_______ in deep underground streams. Many scientists also believe that there is a
huge lake underneath London. If we have leant something from our mistakes, we should keep these
new sources of water clean.
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