When I talked with my grandma on the phone, she sounded weak, but by the time we ____ up, her voice has been full of life.
They showed great interest in everything they sawthey visited the farm.
Can you believe that ina rich country there should bemany poor people?
Some students have troublegrammar while others have difficultynew words.
He will have learned English for eight years by the time hefrom the university next year.
The teacher asked usso much noise.