I.翻译词组（中英互译）
1乘地铁__________2 how f ar _________
3骑自行车________ 4 be not sure_________
5乘公共汽车__________
6have a good day_______
7多长时间_______8good exercise ________
II.用所给词的正确形式填空。
1) It________(take) me half an hour to do my homework every day.
2) He__________ _ (walk) to schoo l every day .
3) How long does it take you________ _(do) your homework ?
