第3课时分层训练,课内基础自测,课后巩固提升,Unit 9Have you ever been to a museum,课内基础自测,第3课时分层训练,用所给单词的适当形式填空,1Has the doctor _ at the hall? Yes, she _ ten minutes ago. (arrive) 2How about _(play) chess after dinner? Id love to, but I havent _(learn) how to play it yet. 3Jim always _(study) English very hard. Yeah. But he _ never _(win) first place in his class,arrived,arrived,playing,learned/learnt,studies,has,won,第3课时分层训练,4In the past my mom always _(encourage)