题目内容
________ me, Mary walked up to me quickly, smiling.
[ ]
A.
To see
B.
For seeing
C.
Upon seeing
D.
At seeing
答案:C
解析:
解析:
|
upon/on doing sth.表示“一……就……”。句意:玛丽一看见我就微笑着快步走上前。 |
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