问题

His brother aims to be __________ of hisparents by the time he is twenty
A:in action
B:at ease
C:on work
D:on watch
B:at ease
C:on work
D:on watch
正确答案是:
同类题型
Two percent of workers in this factory men. A large number of them women.
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Everybody likes to work withis reliable and easy to get along with.