问题

The time he has devoted in the past 10 years the disabled is now considered____ of great value.

A:to helping; being
B:to helping; to be
C:to help; to be
D:helping; being;

正确答案是：

同类题型

下列加横线词语解释无误的一项是（）

Your bedroom is so dirty. Would you please _______,Peter—OK, mum. I’ll do it right away.

Lucy has a great sense of humor and always keeps her colleagues with her stories.

Isn’t there ______ with your washing machine, Aunt Wang— ________. Can you find someone to help me fix it

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