小题1:Tom is a 12-year-old boy. If he has a headache, he should take __________ a day. A. tablet B.1 tablet C.2 tablets D.3 tablets 小题2:The Public Library is closed at __________. A.5:00 p.m. B.9:00 a.m. C.4:00 p.m. D.12:00 a.m. 小题3:Lin and his father want to go to the Hamilton Zoo, they should pay __________. A.$ 15 B.$ 30 C.$ 45 D.$ 10