Which T-shirt do you like? — The red one. It ______ more comfortable.

If you have got _____temperature without coughing, perhaps you have caught _____cold. Just stay in _____bed. Don’t think that you have got SARS?

Will you come to the dinner party?— I won’t come unless Jenny____.

My grandma started using Weibo at the age of 70. She always says it’s never ____ old to start doing things.

I’ll ring you up ifhe_____ back．[ ]