16. What a nice meal! I’ve never had ______ food.
A. so delicious B. more delicious C. most delicious D. too delicious
17. In this culture, it is polite to leave a gift after a meal to express your ______ to the cook.
A. appreciation B. impression C. prediction D. devotion
18. He asked me this book many times. Please tell him he ______ have it tomorrow.
A. must B. shall C. can D. would
