____________ is your grandmother–She’s fine，thanks．

Youshouldnotgorafting__________youknowhowtoswim,andyoushouldalwayswearalifejacket[ ]

What should I buy here –If you have friends who smoke, Winston is a well-known ____ of cigarette here.

I will miss my family when I go abroad for further study next year.—-Don’t worry. You can ________ them by email.

I only intended to be there for a few days, but I ________ ended up staying for a whole month.