相关lYoushouldtry的文学知识

问题详情：动词填空 l.Youshouldtry_______(improve)yourspokenEnglishtomakeyourselfunderstood. 2.Heoftenspendshisfreetime_______(train)theyoungworkers. 3.Heturnedoffthelightsandthen_______(leave)theclas...