Ответ:

1. We can’t do the blood transfusion until we find a donor who has a blood type that is compatible with the patient.

2. As a general rule, mammals don’t lay eggs, but this doesn’t apply to the platypus.

3. Are you still carrying out research in that newly-discovered plant species?

4. Type A blood clots when it comes into contact with Type B blood.

Надеюсь поможет <3