【正文】
give up D. If he gave up funny ______that everyone burst into laughter. A. she looked B. was she looking C. did she look D. had she looked once in these years ____ the prices of these products. A. we changed B. have we changed C. did we change D. we have changed 4. “Why can’t I smoke? “At no time ______ in the meetingroom.” A. does smoking is permitted B. is smoking permitted C. smoking is permitted D. permits smoking such a hurry ______ his office that he fot to lock the door. A. did he leave B. he left C. he had left D. has he left after _____ reached eighteen ______ join the army. A. have you 。 it es D. the bus es。 you can D. you have 。 can you else in the world ______ more friendly people than in China. A. you will find B. can you be able to find C. you may have found D. can you find until 1998 ______ back to h