—Why are there so many people learning English all over the world?—They speak English as second language.A. a B. an C. the
He is always kind ____ others. It is very kind ____ him.
--- Beijing has improved a lot these years. ---- _______ and ________.
Our playground is not so tidy and beautiful as before, students must ____ dirty things on it.
Would you please speak more slowly ?I can hardly ______you.
---What about going hiking this afternoon, Simon? --- I prefer ______ to _________ , it is too hot.