At home, he keeps some pets, to which he ______ all his spare time.
A. spends B. offers
C. devotes D. provides
It remains to be seen ______ the newly formed committee’s policy can be put into practice.
A. that B. which
C. what D. whether
Columbus’s discovery of the “New World” took place _______.
A. on purpose B. by accident
C. by heart D. by mistake
She has been working hard day and night, which of course, _______ her pale face.
A. accounts for B. stands for
C. goes for D. answers for
—Why can’t I smoke here?
—At no time _________ in the meeting room.
A. is smoking permitted B. smoking is permitted
C. does smoking permit D. smoking does permit
Don’t spoil the children. Can’t you make your little boy ______ himself?
A. behave B. believe
C. perform D. conduct
