My mother is at work. I have to my gran_爱下问搜题

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问题选择题

My mother is at work. I have to my grandma at home.[ ]

A. look out

B. look up

C. look after

D. look around

答案

答案：C

选择题

Experts believe that language learning is a process ______ skills are more important than grammar rules. [ ]

A. whose

B. when

C. of which

D. in which

判断题

当两条直线相交成90^。时，两条直线互相垂直。[ ]