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1.If you _____ a backache, stay in bed

would having

have

will have

would have

2.If Mike _____a lot of exercises, he will be fit and healthy.

will do

do

did

does

done

3.If Kathy had a lot of money, she _____ a new house in the countryside.

would buy

buys

will buy

buy

would have bought

4.If she _____ time, she would go shopping.

had

will have

having

would have

have