A．have been staying B．have stayed C．shall stay D．will have stayed
单项选择题A baby might show fear of an unfamihar adult, he is likely to smile and reach out to another in- fant.（）
A．if B．whenever C．so that D．whereas
单项选择题I really appreciate （） to help me, but I am sure that I can manage it myself.
A．you to come B．hat you come C．your coming D．how you come
