What did the teacher say just now?—He asked us to come to school _____.[ ]

Tom wants to know if you ___ a picnic next Sunday.—Yes. But if it ___， we’ll visit the museum instead.

_____ you call back tomorrow?–Of course I can.

I don’t know _____she is. –Mrs Smith says she is a shop assistant.

What ______ you ______ when you father came back?