Unit3 Is this your pencil课后练习（一）
题一：1.Is ______ a basketball over there?
A. th is B. that C. those D. these
2.______ is my elder brother Tony.
A. These B. This C. Those D. that
3.---What are ______? ---They are their coats.
A. these B. this C. that D. it
题二：--Is this your key, Jenny?
--No. ______ is in my handbag.
A. His B. Hers C. Mine D. Yours
题三：1.Thank you ______ your help.
A. to B. for C. of
