It is obvious to the students____ they should get well prepared for their future (2009•天津)
— I enjoyed the food very much. — I’m glad you liked it. Please drop in any time you like. — ____
— Let’s go swimming, shall we? — ____.
— ____ — Drop in if you have time. — Sure. Bye!
— Excuse me, you left this handbag in the shop. — ____
— Have you got any oranges and apples? — ____