题目内容
10．-Excuse me，how can I get to the museum？--Sorry．It's my______ time to he here．（ ）
| A． | one | B． | first | C． | once |
分析 --打扰了，去博物馆怎么走？
--抱歉，这是我第一次来这里．
解答 答案：B．
根据语境推测答语的句意是"抱歉，这是我第一次来这里．"由设空处前面的my和后面的单数名词，判断设空处的数词需要用序数词作定语修饰其后的名词，表示"第一次"． 故选B．
点评 本题主要考查基数词和序数词的使用．基数词强调数量，后面常跟名词复数，序数词强调顺序，常与the搭配，特指某一个，但名词前已有物主代词或名词所有格时，定冠词the要省略．
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