—He isn’t particular about his food.—Yes,he eats ______ anything.

I ran across a car crash in Hong Kong, and ________, both sides just politely exchanged the telephone numbers and cards, a surprise to me.

.．As is often pointed out, knowledge is a two-edged weapon which can be used_____________for good or evil.

I can ______ be a teacher. I’m not a very patient person.               

“Facial transplants are no longer science fiction imagination ,”a surgeon has said,____that they are ___possible but  technically complex..