Mr． Black， you are becoming healthier and healthier． Please keep on_____．（ ）
| A． |
ran |
B． |
to run |
C． |
runs |
D． |
running |
Do you like rock music or light music？
_______． I like Beijing Opera．（ ）
A．EitherB．NoneC．BothD．Neither
I've ordered some flowers for grandma and they will arrive _____ two hours．（ ）
A．inB．afterC．overD．for
Mrs. Smith showed the boys how to behave ________ like a gentleman at the dinner table．（ ）
A．happilyB．bravely
C．politelyD．differently
Betty kept silent at first _______ soon she joined the other girls， chatting and laughing．（ ）
A．soB．butC．orD．because
Did you find the way to the new library？
Sure． Mr. White gave me very ______ directions．（ ）
A．clearB．privateC．creativeD．common