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Mysisterstill(watch)Tvwheni(go)tobedlastnightItbegantorainoutsidewhiletom(have)supperWe(plant)manytreeslastyearLOOK!What(happen)overthere?Ihelpedtheoldman(stand)upand(take)himtohospital

题目详情
My sister ____ still ____ (watch)Tv when i ____(go)to bed last night
It began to rain outside while tom ____(have)supper
We ____(plant)many trees last year
LOOK!What ____(happen)over there?
I helped the old man ____(stand)up and ____(take)him to hospital
Julia ____(do)her homework while her mother ____(cook)
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答案和解析
My sister _was___ still _watching___ (watch)Tv when i __went__(go)to bed last night
It began to rain outside while tom _was having___(have)supper
We __planted__(plant)many trees last year
LOOK!What __happened__(happen)over there?
I helped the old man _(to)_stand__(stand)up and _took___(take)him to hospital
Julia _is doing___(do)her homework while her mother _is_cooking__(cook)