1.是hard-working还是hardworking?
1.是hard-working还是hardworking?
2.human本来就有人类的意思,为什么还用humans?
3.take an interest in能否说成take interests in
4.I want to do some shopping一般疑问句
5.They're off to a great start怎么翻译?be off
6.he's just a person who has come there ,as part of the program.
为什么part前面不加a?