.—-I can’t find Jack. Where did you see him this morning?—-It was in his factory _______he worked.

Jenny is quite good at taking notes. She can _______almost every word her teachers say in class.

We have different looks , we are good friends .

What do you think of genetically modified food (转基因食品) —We all think ______ is careless ______ some scientists to say it is safe before doing any experiment.

“Mr Smith is a kind personI like to to work with him.” “In fact, everyone _______.”