—I visited France last year. —That         interesting.

--- May I go now? --- No. You ______________ let the teacher know first.”

— Must I finish my homework now, Mum?                        —No, you _____. You can do it tomorrow.

 —Is the woman over there Miss White? —It ______ be her. She’s gone to Hangzhou.

— I’m a little tired. Let’s go to the zoo by taxi.  —We ________take a taxi. It’s not far from here.