1）My mother gave me a new book yesterday（改為被動語態）I was given a new book by my mother yesterday.（2）The machine _D_ in a cool and dry place.A.must keep B.must kept C.must be keeping D.must be kept（3）Their story made the sick kids happy.（改為被動語態）The sick kids were made happy by their sroty.（4）If she _C_ one more chance,I"m sure she will succeed.A.will give B.is giving C.is given D.gives（5）We clean our classroom every day after school.（改為被動語態）Our classroom is cleaned every day after school.
1）My mother gave me a new book yesterday（改為被動語態）I was given a new book by my mother yesterday.（2）The machine _D_ in a cool and dry place.A.must keep B.must kept C.must be keeping D.must be kept（3）Their story made the sick kids happy.（改為被動語態）The sick kids were made happy by their sroty.（4）If she _C_ one more chance,I"m sure she will succeed.A.will give B.is giving C.is given D.gives（5）We clean our classroom every day after school.（改為被動語態）Our classroom is cleaned every day after school.