It’s cold outside. You ’d better ___________ your coat.
| A．not put on | B．not take off |
| C．to not take off | D．don’t put on |
The film star is very funny. He always makes us__________ in his movies.
| A．laugh | B．laughs | C．laughing | D．to laugh |
Now the weather is becoming ___________ , we should look after ourselves well.
| A．cold and cold | B．the coldest and coldest |
| C．colder and colder | D．colder and coldest |
Can you see 11-year-old boy and one-year-old cow in the field?
| A．a; an | B．an ; a | C．a; a | D．an ; the |
Lots of students are_________ in tigers and other wildlife.
| A．interested | B．interest |
| C．interesting | D．doing |
Why does Liu Tao look all day long?
| A．sleepy | B．sleep |
| C．to be sleepy | D．sleeping |