题干
—I can not use the new mobile phone. Could you please show me_______.
—Sure.
A：what to do that
B：how to do it
C：how to do
D：what to do it
答案(点此获取答案解析）
B
—I can not use the new mobile phone. Could you please show me_______.
—Sure.
A：what to do that
B：how to do it
C：how to do
D：what to do it
