What did the USDA find about lunches in most American schools in 2008?
A、They were mostly fruits and vegetables.
B、They contained too much fat and salt.
C、Most of them were canned food.
D、Most of them were healthy.
P: No, not very serious, but the doctor told me to stay in bed and have a good rest. S: I see. I’ll _____55_____ as soon as he came back. P: Thank you. Goodbye! S: Bye!