Remember _____the earth, we only have one earth.
| A．to pollute | B．not to pollute |
| C．polluting | D．not polluting |
-Who's_______ pretty girl in pink over there?
-She's a friend of_______.
| A．a; mine | B．the; his |
| C．the; me | D．a; her |
--____ is your father? --He is fine. Thank you.
| A．Where | B．Who |
| C．What | D．How |
–Where is the sofa? --______.
| A．It’s green. | B．It’s small. |
| C．It’s near the window. | D．Yes, it is. |
–What’s this? -- ____ is a key.
| A．This | B．That |
| C．It | D．They |
Tom and I ____ good friends, Tom’s grandparent ______ a teacher in our school.
| A．be, are | B．is , are, |
| C．am , is | D．are, is |