I like this pair of jeans very much. Can I try on?

Must I feed the goldfish now? — No, you ______. But you must do it before supper.

According to the recent research, heavy coffee drinking and heart attack is not necessarily ______ and effect.

Her father often _______ to work on foot. But yesterday he ________ a bike.

I love this song by Lady Gaga. Would you _____ the TV a bit, please? I can’t hear it clearly.