Jim is a lazy boy and he never____ the washing up.
A. does
B. doesn't do
C. do
D. don't do
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Doesheoften____ the homework alone?
A. finish
B. finishes
C. finishing
D. finished
He seldom ____ the park on Monday.
A. goes to
B. go to
C. went to
D. have gone to
下列( )是复变态昆虫,各龄幼虫的形态都不相同。
A. 豆蚜
B. 豌豆潜叶蝇
C. 豆芫菁
D. 豆象
( )是螟蛾科的昆虫。
A. 豆天蛾
B. 豆荚螟
C. 棉铃虫
D. 黄腹灯蛾