13. Peter: “Did you need help with your Math last night?”.
Mary: “If I had needed, I __________you”.
a. would call B. called C. would have called D. will call
14. If someone __________ in to the store, smile and say, “May I help you?”
a. comes B. came C. come D. should come
15. “Here’s my phone B. need C. would need D. needed
16. If I didn’t work for an accounting firm, I __________in a bank now.
a. work B. will work C. have worked D. would work
17. The death rate would decrease if hygienic conditions __________improved.
a. was B. is C. were D. had been
18-The education in Japan __________if the basic principles of education had not been taken into consideration.
a. would go down B. would have gone down
c. went down D. had gone down