when the guest arrived.we were having our supper.为什么不能用as so
when the guest arrived.we were having our supper.为什么不能用as so
We were having supper when the phone rang为什么不可以说We had suppe
When we were having our supper,Tom came in
We were having supper when the phone rang 改否定
We were having supper when the clock ________ twelve.(Unit10
when I was having supper,the postman arrived
When he arrived,they were (having supper).对括号部分提问
yestoday evening they were having their supper a guest came
he were sleeping when the UFO arrived.为什么用were
As we were watching TV,the postman arrived.求翻译
8.when we arrived ,all the shops were closing down.
when we were having the party,i met him.为什么要过去进行时