Mary is tired of learning because she is to do better than she can both at school and at

问题补充：

Mary is tired of learning because she is to do better than she can, both at school and at home.

A. thought

B. expected

C. hoped

D. helped

答案：

A. thought

(答案→)B. expected

C. hoped

D. helped

解析：考查被动语态。句意：玛丽疲于学习，因为她在家里和学校被期待着做的更好。因为hope sb. to do sth.不正确，也无此类被动语态。故选B。