some of the sudents have trouble (make)complete sentences.为什

学习时间:2026-10-20 09:32:26 阅读：5649

some of the sudents have trouble (make)complete sentences.为什么the best way to improve your english is （study) with a group.为什么?

壮观的溪流

2026-10-20 09:32:26



第一空填making,have trouble doing sth。是固定搭配,解释为做某事有困难。
第二空填to study,这里不定时作表语,此句为系表结构,is是系动词,to study with a group是表语。