The most popular food ______ on menus in western countries is hamburger.
— It is a warm day, isn't it? —Yes, it’s _____ cold. I just wear a jacket.
I can’t spend _____ money on the car which is _____ expensive for me.
I found a bucket, ______ it in the sink and turned the tap on.
Li Lei ______ English when he was in Canada. Now he can speak it freely.
He goes back home to see his parents ______ few weeks.