Learning English can make _______ to talk with foreigners.
Bob is _________ than John. A. tall B. taller C. tallest
—What are _______ teachers doing?—They are having a meeting. A. this B. that C. those
There are a lot _____ students on the playground. A. of B. in C. by
My mother asked me _____ the room. A. clean B. cleans C. to clean
Tony has many Chinese ______. A. stamp B. stamps C. a stamp