Though he has studied ____ at Russian for ten years,he can still _____speak the language.

He exchanged his dollarspounds. [ ]

His grandparents live ____ in a small house, but they don’t feel _______.

I hear there’ll be _________ talk on teenage problems next Monday. —-Do you mean __________ talk our teacher asked us to listen to?

Do John and Betty have a child？ —Yes. They _______ for twenty years.