—May I use your dictionary, Lily?—Sure, _______.A. go ahead B. you can ask Bill C. that’s all right
---Hello,Bill? 一No, .
-Are you Jack? -Yes, _______.
Where are your brothers? ________.
Tom and I ________ good friends. He ________ twelve.
It is rainy today,______ kids cannot play outside. A.so B. but C. because