问题
选择题
______me, he walked up to me, smiling.
A．To see
B．For seeing
C．On seeing
D．Because seeing
答案
答案：C
考查介词词组;on /upon doing sth“一做…”，句意是：一看见我，他就微笑着朝我走来。选C。
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______me, he walked up to me, smiling.
A．To see
B．For seeing
C．On seeing
D．Because seeing
答案：C
考查介词词组;on /upon doing sth“一做…”，句意是：一看见我，他就微笑着朝我走来。选C。