1.It is ( )today .A.cloud B.clouds C.cloudy D.a cloud

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, Ours D.you ,Our
3.Where are they ? They are walking ( )the bridge . A.on .B over C.in D.across
4.Please ( )the blackboard . A.look B.looking at C.look at D. is looking at