The word "Motel" comes from "motor + hotel". This is an example of （） in morphology.

单项选择题Owen wouldn't eat anything （） he cooked it himself.

A. until
B. since
C. unless
D. while

单项选择题— Sorry, I have to （） now. It's time for class. — OK, I'll call back later.

A. hang up
B. break up
C. give up
D. hold up

单项选择题It was a nice house, but （） too small for a family of live.

A. rarely
B. fairly
C. rather
D. pretty

单项选择题I can't leave. She told me that I （） stay here until she comes back.

A. can
B. must
C. will
D. may