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阅读理解, 选出最佳选项，将字母编号填在括号里
Hello, I’m Tom. I have a sister. We are twins(双胞胎). Her birthday is on July 20^th. On that day, my family usually have a picnic(野餐). We like summer, because we can go to the beach(海滩) and swim in the sea. On weekends, our parents go to swim with us(我们), but sometimes, we play sports.
(      ) 1. Tom’s parents have ______ children.   A. one    B. two
(      ) 2. Tom’s birthday is ______
A. July 20^th.        B. June 20^th.
(      ) 3. On _____, Tom’s family have a picnic.
A. Saturday     B. July 20^th
(      ) 4. Tom’s parents _____ swim.
A. can.  B. can’t
(      ) 5., ______ Tom’s family play sports on Saturday
A. Usually      B. Sometimes