Question

My grandpa is _________ weak ______ look after himself．He needs help．

A．so, that

B．very, to

C．so, to

D．too, to

Answer 1

D

解析试题分析：句意：我爷爷虚弱得不能自理，他需要帮助。Too…to，太…以致不能，是一固定结构，too后跟形容词或副词，to为不定式标记。So…that如此…以致，so后跟形容词或副词，that引导结果状语从句。Look after himself是一个动词短语，故选D。
考点：考查固定句型。