Playing on a frozen sports field sounds like a lot of funIsn’t it rather risky, ____? [ ]

It is difficult to judge whether what he said ____.[ ]

Look ________ the girl. She has long hair.

It is wise to put milk on a shelf close to the bottom because it is especially _______ to temperature changes

Oh,dear! —- ______ —- I’ve found I left my English book at home.