17页B部分：1）changes 2)missed 3)does eat 4)rides 5)rains 6)finishes 7)is 8) won't 9)fails achieves 10)Does continue does.
C:1)is 2)is 3)love 4)are 5)say walk 6)carry 7)say 8)are 9)dance 10)plays 11)doesn't understand 12)dance 13)hear
18页A部分：ACBCB B部分：CCCCC C部分：1）drive 2)office 3)go 4)turning 5)right 6)straight 7)hospital 8)hour's
19页D部分：TTFTT
E部分：1）business 2)uniform 3)discuss 4)business 5)achieves 6)fails 7)exam 8)collects 9)attents 10)club 11)biolin
20页A部分：DBCCA
B部分：ABACC
C部分：FTFFT
22页A部分：1）live 2)practises 3)gets 4)start 5)finishes 6)finish 7)has 8)eats 9)eats 10)weight
B部分：1）always do homework.2)often playing football with his friends.3)usually go to bed at 10P.M.
C部分作文：仅供参考(根据实际情况回答）：
I enjoy school from Monday to Friday. I usually watch television after finish my homework from Monday to Thursday. On Friday ,I always play computer games with my friends.