The writer felt the need to make a _______ against racism in South Africa.
A. stand
B. voice
C. thought
D. choice
_______ bad weather we had to have our physical education class in the classroom.
A. Because of
Because
C. Because of the
D. Cause
He was in a very low mood recently:he lost his job and _______ his wife left him.
A. yet
B. on top of that
C. also
D. particularly
Please ________ the TV set before you leave the sitting room.
A. turn on
B. close
C. turn off
D. open