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5. If someone .... ....... into the store, smile and say, "May help you?"

A. comes B. came C. would come D. could come 

6. "Here's my phone number".

   "Thanks. I'll give you a call if ........... some help tomorrow"

A. will need B. need C. would need D. needed 

7. If I weren't working for an accounting firm, I ... in a bank.

A. work B. will work C. have worked D. would be working 

8. The death rate would decrease if hygienic conditions .. ........ improved.

A. was B.is C. were D. had been