30. I ___________ my computer for almost ten years. It still works OK.

　　A. bought B. have bought C. have had D. have

　　31. My dad __________ to Singapore for a meeting. He ________ there twice.

　　A. has gone, has been B. has been, has gone

　　C. has gone, has gone D. has been, has been

　　32. What _______ to you in the last ten years?

　　A. was happened B. has happened C. happened D. has been happened

　　33. Though the key was pressed, nothing ______ on the screen.

　　A. appeared B. was appeared C. appears D. is appeared

　　34.You earn a point _______ you answer a question correctly. Which is WRONG?

　　A. every time B. each time C. whenever D. while

　　35. ---We could ask Jim to sing a song for the party.

　　---________ He isn’t good at singing.

　　A. That’s a good idea. B. I’m afraid not.

　　C. Why not? D. I hope so.