---May I look at your map for a little while? ---Of course, ________, Jack.

— Do you know Laura’s address?— _____________. As a matter of fact, I don’t know any Laura, either.

--Spacecraft "Discovery" has failed in the course of launch.--_____? They have been preparing for the test.

—Go for a trip after the exam，OK?—________.I love getting close to nature to relax.

---Would you please buy me a bright paper package when you go shopping?--- _______