Final exams are forcing many students to bum the midnight oil． —That’s true，butlate has a bad effect on their health．

Shall we buy a present _____ him?[ ]

Where were you last Saturday?—I ____ in the Capital Museum.

What’s in your hand, Linda? —-A new book about Mo Yan. I _____ it ____ my friend.

When are you going to Hainan?—I am going there ___ June 8, 2011.[ ]