--- Look, what a heavy rain! What shall we do now? --- ____________ it’s raining hard, let’s stay at home to surf on the Internet.
---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