There are always ________ lights in each country: red, yellow and green.
A. two B. three C. four
I want to ________ a doctor.
A. beB. isC. are
Where ________ she come from?
A. doB. doesC. did
My dad ________ my pet dog.
A. take care ofB. take careC. takes care of
She likes ________.
A. play the piano B. playing the piano C. playing piano
情景选择，将其序号填到题前括号里。
( ) 1. What time does school start?
| A．It’s Sam’s. ( ) 2. How do they feel? |
B．My school starts at 9:00. ( ) 3. Whose cap is this? |
C．They feel tired. ( ) 4. Where did he go? |
D．No, I sing badly. |
( ) 5. Can you sing well?E. He went to the Great Wall.