The doctor was busy ____ on the boy at that time.B.to operate D.operatingB为什么错了?

The doctor was busy ____ on the boy at that time.B.to operate D.operatingB为什么错了? The telephone was busy.翻译 The doctor is very busy怎么.改成一般疑问句 The doctor was careful_the patient the truth My friend was busy on the weekend. 在间接引语变直接引语中,that time可以变为now吗?具体为：The doctor said he was busy that time.变为直接引语时参考答案为The doctor said,I am busy now. 但是根据变化规则来讲,that 应该变为this He was at the _____(doctor).He was ill. Last Saturday I was busy _____ my homework and my mother was busy _____ the housewok. He was busy working throughout the night.He was busy working __________ ________ _________. While He Yan was at the doctor's.I was going…为什么是doctor's The doctor is busy p______an operation on the sick man.这是一道缺词填空 the telephone was busy同义句The telephone _______ _______ That doctor is now busy,so （眼下你不能和他谈话）(for the moment) ——,he managed to find time to go to see a doctor.A:Busy as he was B:Busy as he is Though the teacher was very busy,she would help. I was very busy on the weekend什么意思 the traffic was heavy.heavy为什么不能是busy My friend was busy on the weekend.译成中文