Does he like maths ______art? [ ]

This orange sweater looks very nice. Can I _______?

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.

As far as I see, ________ is no possibility ________ he will win the tennis match this time.

After class, I like playing computer games and chatting ______ my friends ______ the Internet. [ ]