can I go out and play with my friends now—No, honey, you can’t _____ you haven’t recovered from the knee injury.

Each time you________, you shouldn’t lose heart to start again.[ ]

_________ do so many students stand in front of the blackboard—- To find out some information on the New Year Show.

Did you have any trouble in getting here ?— No I would have telephoned you

The man ____ visited our school yesterday is from London.