China is one of the first_____ in the UN. A. country B. countries C. countryside
( )_______ at a red light. A. GoB. Stop and waitC. Slow down and stop
( )If you are ______, you should see a doctor. A. illB. coldC. angry
( )My mother likes ______. A. singing and dancing.B. sing and danceC. sing and dancing
( )I'm going ______ 3 o'clock. A. onB. inC. at
( )_______ does he work? He works at sea. A. HowB. WhoC. Where