He looked around and caught a man _______ his hand into the pocket of a passenger.
-What are you going to do next weekend? -_______-,if time permits ,I may go to Beijing with my friends.
In order to _______ a good knowledge of English ,he give up his job and went to study in an English school.
________, the boys were shouting and singing.
________ confidence resulted in his failure in the interview.
________to work overtime that evening , I missed a wonderful film.