—I find difficult to learn English grammar.
—You can do more English exercises.
| A．that | B．this | C．those | D．It |
Our physics teacher told us that the light ___faster than the sound.
| A．traveled | B．travel | C．travels | D．traveling |
As students ,we don’t have to spend a lot of money ___presents for our parents.
| A．buying | B．to buy | C．buy | D．in buy |
He promised___his old friend during his stay in Tianjin.
| A．see | B．seeing | C．saw | D．to see |
-Which dress would you like,Madam?—Sorry,I can’t decide ____now.
| A．to buy which one | B．buy which one |
| C．which one to buy | D．which I should buy a |
—Let’s go shopping_____staying at home,shall we?
| A．as well as | B．in order to |
| C．instead of | D．better than |