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C. for ( )4. I work hard ________ school. A. to B. at C. in ( )5. You should wash your hands __________ dinner. A. before B. on C. next 六、按要求完成下列各題。 My Classmate 。 ( ) 1 How often do you play basketball? ( )2 Do you help your parents at home? ( )3 What do you like to eat? ( )4 What do you do before dinner? ( )5 How can we be healthy and strong? A. Always have breakfast and play sports. B. I do my home work. C. Four times a week