21. Energy drinks are not allowed ___ in Australia but are brought in from New Zealand.
A. to make B. to be made C. to have been made D. to be making
22. The football players reacted ___ the judge’s decision by withdrawing from the match.
A. on B. to C. against D. by
23. To fetch water before breakfast seemed to me a rule ____.
A. to never break B. never to be broken
C. never to have broken D. never to be breaking
