The subjects students study in America are different from those in China.
| A．those | B．that | C．it | D．one |
—_________ are these trousers?
—They are only $15.
A. How many B. How much C. How
—Thanksforyourhelp，Mary! —________.
A. Good B. Don’t thank me C. You'rewelcome
. _____do you spell watch?W-A-T-C-H.
A. What B. Where C. How
—_____ismycomputergame?—It’sinthedrawer.
A. What B. Where C. How
He usually watches TV______ Saturday evening.
A. on B. in C. at