— What do you think of your English teacher?— He is friendly to us although sometimes he looks .A. happy B. kind C. serious
Shanghai is bigger than _____ city in China. A. any B. other C. any other
The teacher tells us not ______a hat in class. A. wear B. wearing C. to wear
Most animals walk ____ four legs. A. of B. to C. on
What do you usually do____ Sunday mornings. A. in B. at C. on
In China, summer is from _______ to _______. A. May; September B. October; December C. June; August