Mr. Johnson has given up ________.
A. smoke B. smoked C. to smoke D. smoking
I think _________ history about China is very important.
A. study B. studying C. studied D. studies
Teenagers should be allowed______ their own clothes.
A. to choose B. choose C. chose D. choosing
Mary used to _____short hair.
A.be B.have C. had D. has
Most Chinese children like to sleep with their parents.
They are ____ the dark.
A. afraid B.afraid of C .afraid to D. afraid in
--- _____do you study for a test?
---By reading the textbook.
A. What B. When C. How D. Where
