问题
选择题
When a person wants to operate the computer, _____ read instructions first.
A．you will have to
B．one must
C．they will have to
D．he has to
答案
答案：D
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When a person wants to operate the computer, _____ read instructions first.
A．you will have to
B．one must
C．they will have to
D．he has to
答案：D