一、单项选择
1. —What are you wearing at the party, Iain?
— My ___________.
A. jeans B. desks C. books D. pets
*2. —Where is ________ schoolbag, Mom?
— You put it on your bed.
A. your B. yours C. my D. mine
3. I often go swimming in the lake _________ July.
A. to B. on C. in D. at
