题目内容
1. My grandfather is old and he doesn't know _______ the computer.
A. what use B. what to use
C. how use D. how to use
D
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备战中考寒假系列答案题目内容
1. My grandfather is old and he doesn't know _______ the computer.
A. what use B. what to use
C. how use D. how to use
D
备战中考寒假系列答案