Question

用括号里的单词正确形式填空1.Mike＿＿（look）after his dog at seven o’clock ye

Answer 1

1,was looking 因为有明确的过去的时间状语.

2.was going 因为有明确的过去的时间状语.

3.putting remember 后面用动名词,表示以前做过某事.

4.walking of是介词 后面用动名词短语,做介宾.