If you want to see a doctor, fix the date with him ahead of time. This is a common ___________ in the USA.A. habit B. law C. rule D. custom
What must be done if wildlife protection is?
----____ I take the book out? ---- I’m afraid not.
Food, ______ and shelter are the three most necessary things for people to depend on. A. clothes B. clothing C, cloth D. dress
I into robots and used to make mobile phones as well as help with medical operations.
Over time my memory has developed much that, like an elephant, I never forget anything I have been told.