第四课时Section B ( 2a-2c,根据首字母及汉语提示补全单词 1.What do you often do in summer( 夏天 )? Go swimming. 2.I want to drink some apple juice( 果汁 ). 3.I like to stay in the mountains( 山 ) because I can hear the singing of birds. 4.He wishes to have a trip to Europe( 欧洲 ) one day. 5.Is Jim on vacation( 假期 )?I cant find him,用方框中所给词的适当形式填空,visit,Canada,swim,hard,country,1.China is a greatcountry.We like it very much. 2.Alan wants tovisitan old friend this Sunday. 3.Tony is a good student.He always studieshard. 4.I