( )（5）She ________ my sister.
A. is B.are
找出不同类的单词。
（）（1）A.stamps B. toy C. letters
（）（2）A.these B. those C. this
（）（3）A.ride B. reading C. flying
（）（4）A.books B. hobbies C. dolls
（）（5）A.Chinese B. Japan C. China
（）There’s _______Chinatown in New York.
anB. aC. /
（）I’m sending ________email to my mum.
A. anB. aC. /
（）There are lots _____beautiful lakes in China.
A. in B. of C. on
（）There _____many mountains in China.
A. areB. am C. is