I hope that my father will quit smoking because I want him to live__________ my grandpa does

I hear that my brother won the singing competition last Friday , but I’m not sure _______ that.

She’s having a lot of trouble with the new computer, but she doesn’t know whom to _____. [ ]

________ to speak when the audience interrupted him.

test major disaster that occurred inZhejiang paralyzed traffic, caused blackouts and ______ water supplies fordays.