(B)21.There is ________ elephant and ________ tiger in the picture.
A.a;an B.an;a C.a;a D.a;the
(D)22.I'm thirsty (渴的).Please get some ________ for me.
A.clothes B.music C.bread D.water
(A)23.—Why do you think koalas are ________ animals?
—Because they sleep day and night.
A.lazy B.busy C.strict D.noisy
(C)24.________ pandas are friendly,________ he wants to see them first.
A.Because;so B.So;because
C.Because;/ D.So;/
(B)25.Mary and Tina are my ________.They are ________ to me.
A.friendly;friendly B.friends;friendly
C.friend;friendly D.friendly;friends