题目内容
-Oh no! We’re too late.The train ________.
-That's Ok.We'll catch the next train to London.
A.was leaving
B.had left
C.has left
D.has been leaving
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对话填空:阅读下面对话,掌握其大意,并根据所给首字母的提示,在标有题号的右边横线上写出一个英语单词的完整、正确形式,使对话通顺。
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.--- Hurry up. The bus is coming.
--- Oh, no. We mustn’t cross the street_______the traffic lights are green.
| A.until | B.since | C.while | D.after |