10.-Have you been to the Great Wall?-Perhaps not in my memory. _______ , it might have been during my early childhood.
With everyone’s face_________behind the mask, it’s hard to tell who they really are.
.Why must I apologize to him? I am in no way_________for the quarrel, after all.
However busy we are, we need to take exercise. Not only___________us keep healthy, it also stops us getting fat.
.I’m thinking the job interview tomorrow and I would appreciate_________very much if you could give me some advice.
.—What do you think made hi m so excited? —_________a scholarship to Harvard, I suppose.