Tom made a few friends in China and he __________them by e-mail last year.A. keeps in touch withB. keeps up withC.kept in touch with
People complain that the price of the apartment is getting.
Lucy spent three years _______ Chinese before she came to China.
Wait a moment, I have _______ to tell you.
Miss Gao teaches _____ English. We all like her lessons.
That's the most beautiful place ______ I have ever __________.