It’s time he _________ piano. Don’t you think he has wasted too much time online?
A. stopped to take up B. stops taking up
C. stopped to leave alone D. stops leaving alone
The man pulled out a gold watch, _______ the hands were made of small diamonds.
A. of which B. of whom C. whose D. of them
The clever boy made a hole in the wall, _____ he could see _____ was going on inside the house.
A. which; what B. through which; what
C. through that; what D. what; that
---Do you have anything to say for yourself?
---Yes, there is one point ________ I must stick to.
A. / B. when C. why D. where
The thief went into the house at midnight, only ______ by the policemen hiding there.
A. to catch B. catching C. to be caught D. caught
In spite of the great difficulties, Helen Keller ______ studying and finally succeeded.
A. stuck to B. kept up with C. kept on D. insisted on
