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1£®My brother is ________to school.

A£®enough old go          B£®enough old to go

C£®old enough to go        D£®old enough go

2£®You must be ________ of ________.This is the first step to success.

A£®confident; yourself       B£®confident; your

C£®confidence; yourself      D£®confidence; you

3£®Zhou Jielun's ________ sounds so strange that I can't hear clearly.

A£®voice                  B£®sound

C£®noise                  D£®language