题目内容
1.I'm looking after Tom today.He's been in my house______8:00 this morning.( )| A. | at | B. | for | C. | since | D. | till |
分析 我今天照顾汤姆,他从今天早上八点就在我家了.
解答 答案:C
本题考查的是时间介词的用法.
A项at表示在时间的某一点例如I get up at six o'clock every day.
B项for后接一段时间,表示动作持续长短.例如She has studied English for five years.
C项since接时间点表示从那个时间点开始动作一直持续到现在,可能还会继续,通常用于现在完成时例如I have learned English since three years ago.
D 项till表示"直到…为止",也可以跟时间点表示到这个时间点为止,例如I will wait till seven o'clock.
结合本题I'm looking after Tom today.He's been in my house since 8:00 this morning我今天照顾汤姆,他从今天早上八点就在我家了.表示时间是从八点开始一直持续现在.
故填since,故选C.
点评 本题考查的是时间介词的用法.理解选项中每个介词的含义及其用法是做好此类题的关键.
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