hat 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.

It’s very kind _____ you to help me carry the boxes since it is difficult ______ a person like you to carry so heavy things. [ ]

_____all the boys in his class, Tom is the shortest[ ]

The apples _________sweet. Would you like another one?—No, thanks.

I don’t know how to deal with these old books.- ___giving them to the children from poor families?