(B)21.—How many pandas can you see in this picture?
—Two.One is ________ adult panda and the other is ________ baby panda.
A.a;an B.an;a C.a;the D.the;an
(C)22.________ birth,this baby sheep was only three kilograms.
A.On B.In C.At D.Of
(D)23.—Did Tom fall asleep?
—No,he was still ________.And he was playing with a model.
A.brave B.available C.lonely D.awake
(A)24.From now on I'll work for you.My job ________ cleaning the house and making dinner.
A.includes B.minds C.imagines D.explains