1.It is ( )today .A.cloud B.clouds C.cloudy D.a cloud
2.Are these ()cats ?No, they aren't . ()are here.A. your,Ours B. you, We C.you, OursD.you ,Our
3.Where are they ? They are walking ()the bridge .A.on.B overC.inD.across
4.Please ()the blackboard . A.lookB.looking atC.look atD. is lookingat