Past indefinite or past continuous? 1. I (have dinner when he (come).2.They (play) tennis...

Question

Past indefinite or past continuous? 1. I (have dinner when he (come).
2.They (play) tennis when we (see) them.
3.I (see) this beautiful picture at the shop window when I (go) to school yesterday.
4.We (call) spirits at night when the door (open)
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Answer 1

1. I was having when he came. 2. They were playing tennis when we saw them. 3. I saw this beautiful picture at the shop window when I was going to school yesterday. 4. We were calling spirits at night when the door opened.