Ответ:

1. was binding

2. was making

3. was taking

4. was looking  

Ответ:

1.A nurse was binding her patient , when the ward doctor came

2.She was making injection to a bed- patient when the students came into the ward.

3 The doctor was taking the patient’s pulse, when the  patient’s fase got pale.

4 When he was looking for some papers on his desk he saw a little bottle.