2019学年度人教版必修四Unit 2 SectionV Grammar课时作业

　　Ⅰ.单项语法填空

　　1．I regret __saying__ (say) those words to her，because I really hurt her feelings.

　　解析：句意：我后悔对她说那些话，因为我真的伤害了她的感情。regret to do sth.意为"很遗憾要做某事(还没有做)"；regret doing sth.意为"后悔做过某事(已经做了)"。

　　2．The good result lies __in__ the correct methods，that is to say，correct methods lead __to__ good result.

　　解析：句意：好的结果在于正确的方法，也就是说，正确的方法产生好的结果。第一个空考查lie in"在于"；第二个空考查lead to"导致"。

　　3．As some of these actors could not sing well enough，they had to rely __on__ other musicians to help them.

　　解析：句意：由于这些演员唱得不足够好，他们只好依赖别的音乐家来帮助他们。rely on依赖，依靠。

　　4．At school，the students usually run everg rnorning to build __up__ their strength.

　　解析：句意：学生在校通常每天早晨跑步来增强体质。build up逐渐增强。

　　5．Daily expense __was reduced__ (reduce) to the normal level last May，and by that time the government had already taken measures to bring down the price of food.

　　解析：句意：去年5月，日常开销被减少到了正常水平，到那时，政府已经采取了措施来降低食品价格。be reduced to被减少到，句中有表过去的时间状语last May，故用一般过去时。

　　6．Famous experts are often invited to CCTV to comment __on/about__ international situations.

　　解析：句意：中央电视台经常邀请著名专家评论国际局势。comment意为"表达意见；作出评论"，常与on/about搭配，符合句意。

7．Eating well and good exercise keep you free __from__ cold.