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

--- Will you take up teaching as a career after graduation? --- Hard to say. I _______ go abroad for higher education instead.

—We want someone to design the new art museum for us?—          the young fellow have a try?

— There’s somebody at the door. Who ______ it be? Is it the postman ?—No, it ______ be him. It’s just seven o’clock. It’s too early.

 --- Do we have to hand in our research reports this afternoon, Professor Smith?--- Yes, you _______ . I will be waiting to check them all the afternoon.