Question

Mike__(not catch)the early bus this morning,so he __(be)late for school again.

Answer 1

Mike_didn't catch_(not catch)the early bus this morning,so he _is_(be)late for school again.
前半句时间为this morning今天早上，为过去时间，所以用一般过去时。后半句有again，表示动作，也就是他迟到是习惯性，通常性的动作，所以用一般现在时。
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追问

Mike__(not catch)the early bus this morning,so he __(be)late for school again.
Mrs Wang__(teach)us English two years ago.
There__(be)an exciting football match in the coming week.
Hurry up!They__(wait)for us at the school gate.

追答

第一题说过了。第二题 two years ago两年前，也是过去时间，所以用teached。第三题in the coming week下周，将来时间，用will be。第四题，翻译，快点！他们正在学校门口等着我们。“正在”现在进行时，are waiting

Answer 2

didin't catch was