Question

1.I couldn't catch the bus.That's_______I was late. A.what B.why C.which D.where

2.It_____me three hours to finish my homework yseterday.
A.takes B.took C.spends D.spent
3.He____have been busy.I'm not sure.
A.may B.must C.mustn't D.need

Answer 1

1. B 我没赶上公交车。这就是为什么我迟到的原因。
   

2. B 昨天。所以是过去式。spent指的是人花费了什么什么。take指的是占用人的什么什么。

3. A。后半句说的是我不确定。所以前面的语气应该是"可能"。如果选B的话，后面应该说but I am not sure才对，得转折。
   

Answer 2

B why
B took
B must

Answer 3

1B, 2B, 3C,这是 初中英语题？

Answer 4

2、B
3、A