________ of the city was covered with the heavy smog.
| A．Two-third | B．Two-thirds |
| C．Two-three | D．Two-threes |
--- Where ____ your uncle _____?
--- He’s from China.
| A．is； come from | B．does； from |
| C．is； from | D．is； comes from |
My parents often ask me ________my bedroom by myself.
| A．cleans | B．to clean | C．cleaning | D．clean |
My brother is a good . He can delicious food.
| A．cooker， cook | B．cook， cook |
| C．cook， cooks | D．cooker， cooks |
Tom likes playing ___ football， but his sister likes playing __ piano.
| A．the； / | B．/； the | C．/； / | D．the； the |
----Mary won the first prize in the competition.
----_________. She said she made several terrible mistakes.
| A．I think so. | B．You’re welcome. |
| C．You must be kidding! | D．It doesn’t matter. |