Question 53: I gave the waiter a $$$$50 note and waited for my .
A. supply B. change C. cost D. cash
Question 54: Jim usually looks happy, but today he has a long . He must have had a quarrel with his best friend.
A. face B. expression C. chin D. nose
Question 55: Some food that are good of nutrition include fruits, vegetables, and whole grains.
A. origins B. sources C. resources D. causes