She tennis in the school team. Now she is a professional tennis player. A. is used to play B. is used to playing C. used to play
I have trouble ________ the new words.
Miss Li regards all her students _______ her children.
__ is really hard __ them to climb Mount Tai.
If you don't know the word, you can _____ in the dictionary.
The city has changed little in the lastyears.