补全对话
根据对话内容，从方框中所给的选项中选出最佳选项。两项多余。
（Da Wei comes across Li Lei who is studying in the school library．）
A：Hi，Li Lei．Are you busy with your homework now？
B：Oh，yeah，Da Wei．And you？
A：I’m here for a book．Hey，Li Lei．Have a break！We should be outside in the fresh air．It’s good for us．
B：Sorry．I can’t．______I must hand it in tomorrow．
A：Oh，I see．But we can’t always stay indoors．We must often take exercise．______
B：Never．I hardly have time now．A lot of homework almost takes up all my free time．It’s sad but that’s life．______
A：You mean my life？In fact，I’m also very busy like you．But you know I like sports．________Whenever I have a little time，I will try them．
B：No wonder you are so energetic．
A：Yeah，better health，better grades．_______
B：Yes，you are right．It sounds as if I should also try to exercise often in the future．Da Wei，shall we play basketball for a while now？
A：OK．Let’s go！
A．How about your life？ B．I like jumping，running，playing basketball and so on． C．Why not walk in the fresh air？ D．How often do you exercise？ E．Do you agree with me？ F．I have to finish my homework first． G．Sounds like great fun！ |
The man began to work four hours ago．（改为同义句）
The man has________ ________four hours．
They have been away from here since two years ago．（改为同义句）
________ ________two years________they left here．
They started to play the piano one or two hours ago．（改为同义句）
They started to play the piano________ ________ ________two ago．
We started to skate two hours ago．（对画线部分提问）
________ ________you start to skate？
He ran in the school for half an hour．（对画线部分提问）
________ ________ ________he run in the school？
