初三英语选择题 I'm afraid that she has some trouble ( ) the math problems. 如题 A. working out
B.to work out
C.works out
D.working hard选择前若能把每个选项的思考过程一同写上当然最好了。我一直徘徊在 一个句子只能有一个动词, 哪里需要to还是不需要to。。答:A译:我担心她解决这些数学难题有些吃力。析:sb. has some trouble/ difficulty (in) doing sth.表示“某人在做某事方面有困难”,介词in可以省略。确切地说,应该是:一个简单句中只能有一...