Поставь глаголы из скобок в форму Past Prograssive. 1. Doctor Fleming discovered penicillin while he … (study) influenza.
2. Sam … (stand) under the tree because it … (rain).
3. When the teacher came into the classroom, the children … (run).
4. When I arrived at the party, all the guests … (dance).
5. The waiter cut his finger while he … (pick up) the broken glasses.
1.was studying
2.was standing,was raining
3.were running
4.were dancing
5.was picking up