【正文】
each, read, study, teach, eat, drink, write, dance, sing, smoke 等 鞏固練習(xí) wallet dropped on the ground _______ I was running. 2. __________ I was falling asleep, there was a loud knock on the door. 3. __________ he was reading, an earthquake started. 4. Were the students listening to the teacher carefully __________ the teacher was giving a lesson? 5. __________ the telephone rang, I became nervous. while When While while When 1. I _________ my homework when Mike _____ last night. 昨天晚上邁克來的時(shí)候我正在寫作業(yè)。 were preparing was talking