Chọn đáp án đúng và giải thích

21. Since______ has been so poor, the class has been closed.

A. attendance                       B. attendant              C. attending                           D. attendee

22. Let’s ______ a coin to decide which team will kick the ball first.

A. spin                         B. turn                         C. twist                                               D. toss

23. The concert received good _____ from the critics.

A. reports                                B. reviews                               C. viewpoints                          D. opinions     

24. My passport _____ last month, so I will have to get a new one.

A. ended                                 B. passed                                 C. expired                                           D. terminated      

25. We have bought extra food _____ our friends stay to dinner.

A. if                             B. in case                                 C. provided                                         D. as long as