【正文】
) have a bad don39。 live D. living。 learn B. it。ll have to ________ at least one hour ________ to Shanghai. A. take。 flying ( ) mother always tells me ________ books in the 39。re supposed ________ your room up before you go out. A. to clean B. clean C. cleaning ( )45.— Would you mind ________ now? It39。d better ________ too much chocolate, or you39。t. A. not singing B. not to sing C. don39。t read B. not read C. not to read ( )43.— Oh, it39。 to fly C. spends。 to learn ( ) kept ________ so that he could be in good health. A. exercise B. exercising C. to exercise ( )39。s wrong with you? — My parents don39。 live B. live。m really tired and hungry. — Why not stop ________ and eat some cookies? A. to do your homework B. do your homework C. doing your homework D. did your homework ( ) often goes to the old people39。s stop ________ a rest. A. to have B. have C. having ( ) this school, the students are asked ________ mobile phones. A. not to use B. not using C. not use D. to not use ( )! There are some birds ________ in the are very beautiful. A. to fly B. fly C. flying D. flown ( ) should keep on ________ English every day. A. to practice to speak B. to practice speaking C. practicing to speak D. practicing speaking ( ) friend invited me ________ the art club,