The twin___________work hard at lessons.We must help them.A / B don't C aren't D is like选择
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![The twin___________work hard at lessons.We must help them.A / B don't C aren't D is like选择](/uploads/image/z/9025184-56-4.jpg?t=The+twin___________work+hard+at+lessons.We+must+help+them.A+%2F+B+don%27t+C+aren%27t+D+is+like%E9%80%89%E6%8B%A9)
The twin___________work hard at lessons.We must help them.A / B don't C aren't D is like选择
The twin___________work hard at lessons.We must help them.A / B don't C aren't D is like
选择
The twin___________work hard at lessons.We must help them.A / B don't C aren't D is like选择
选B.
句中已经有谓语动词work了,故CD错误,只能选助动词don't.
意思是:这对双胞胎不在功课上下功夫,我们必须帮助他们.
请采纳!
B don't
B 双胞胎上课不认真,我们必须帮他们