—I do enjoy my present job as an engineer.—Well,I would also be an engineer if I my major when I was at college.
Xi’an was the last city ______ he visited when he came to China.
The music ______ she is dancing sounds beautiful.
______ time ______, what the scientist said finally proved to be true.
Mary never does any reading in the evening, __________.
— Where is the panda?— It __________ by the doctor now.