.Walking alone in the dark,the boy whistled to ________ his courage.
Lily often watches TV, so ________.A.does she B doesn’t she C.I do D.do I
The boys,________had played the whole day long, were tired.
Yuan Long ping is ______ university professor.He likes playing _____ violin.
―People should stop using their cars and start using public transport.―______. The roads are too crowded as it is.
―Do you know where David is? I couldn’t find him anywhere.―Well. He ______ have gone far — his coat’s still here.