1.turn to sb.\sth. for help要某人\某物帮忙
2.for a long time是段时间 应该用完成时
3.advise sb. to do sth.建议某人做某事 其他的几个没这种用法
4.词义理解 symbol象征 sign签字,迹象 mark符号,分数 signal信号
6,10个不规则动词的过去式
are, were go,went buy,bought bring,brought run,ran fly,flew, eat,ate, have,had, teach,taught, begin,beganhave hadgo wentcome camedo didget gotread read(读音不同)forget forgotgive gavesit satmake madego - went, swim - swam, sing - sang, find - found, take - took, drink - drank, sleep - slept, do - did, wake - woke, teach - taught