--－Hello，Bill? 一No， .
| A．this is Sam | B．I am Sam | C．I’m Sam | D．I’m not |
-Are you Jack? -Yes, _______.
| A．your are | B．he is | C．I am | D．I’m |
Where are your brothers? ________.
| A．He is at home | B．He is in his room |
| C．Yes，they are | D．I don’t know |
Tom and I ________ good friends. He ________ twelve.
| A．are, is | B．am, is | C．is, are | D．are, are |
It is rainy today，______ kids cannot play outside.
A.so B. but C. because