When he woke up, he found his watch gone. It seemed that he suspected me ________ it.
——What made him so upset? ——______she failed in her examination
He said______ his sister had passed the entrance examination of college, and______she would go to college in about 20 days.
Mr. Smith was so angry at all ______ Bill was doing ______ he left.
_______ has recently been done to provide more buses for the people, a shortage of public vehicles remains a serious problem.
He wondered ________ his son was getting along with the experiment.