—Do you know who cleaned the blackboard,Tina?—Yes,John________.A.doB.doesC.did
The tall boy ______ be Mike. He has gone to New York to study.
The old men in hospital __________.
The park is a beautiful place that many people come here every day.
Her little sister’s kite is broken. Let’s _____ and cheer______.
I spent two days _____ reading the storybook.