Question

17. – Will you lend me that pair of scissors?
      –  _____.

A. Certainly

B. Here you are

C. I will

D. I’m afraid I can

18. You _____ burn the garbage, and you _____ dig a hole and bury it.
A. must/should

B. should not/had better

C. should/would rather not

D. may/could

Answer 1

17. B

--> Will you lend me that pair of scissors? –  Here you are.

18. B

--> You should not burn the garbage, and you had better dig a hole and bury it.

Answer 2

17. B. Here you are

18. B. should not/had better