麻烦老师解答：单句语法填空.1单句语法填空.1.Bythetimehegothome,hiswife(do)allthehousework.2.IntheUnitedStates,lunch(offer)tostudentsforfreeatschool.3.Thefirststeptowards(protect)t

Question

麻烦老师解答：单句语法填空.1

单句语法填空.

1.By the time he got home,his wife ______ (do) all the housework.
2.In the United States,lunch _______ (offer) to students for free at school.
3.The first step towards _______ (protect) the environment is to live a "low-carbon" lifestyle.
4.While I ______ (sweep) the floor yesterday,the telephone rang.
5.The audience are requested _______ (show) their tickets when they enter the cinema.
6.They _______ (eat) up all the food,but they still feel hungry.
7.We meet each other _______ (frequent) in this hotel.
8.I prefer basketball _______ football.
9.By reading we can ________ (rich) our vocabulary and improve our English.
10.My friend is growing _______ tired of English words that he wants to give it up.

Answer 1

1.had done  2.is offered  3.protecting  4.was sweeping  5.to show 6.have eaten  7.frequently  8.to  9.enrich  10.so