A.sleep | B.are sleeping | C.slept |
A.Canadians | B.Korean | C.Australian | D.Canadian |
A.How old | B.What | C.Where | D.How |
A.is changing | B.has changed |
C.will have changed | D.will change |
A.work; works | B.works; work |
C.work; are working | D.is working; work |
A.eat | B.eating | C.eatting | D.eats |
A.may not | B.mustn’t | C.needn’t | D.can’t |