21£®Each country ,of course, in _________ Copenhagen, has its own particular priorities and concerns, which is why _________agreement is so difficult to reach.

A£®the, an                    B£®/ , an                     C£®a, the                      D£®/ ,the

22£®David was ________in the second half of the football match after a serious knee injury.

A£®scheduled        B£®abandoned                     C£®reserved            D£®substituted

23£®The car in front of us came to________ we almost hit it.

A£®such a sudden stop that                  B£®a stop so sudden that

C£®such a sudden stop as                     D£®so sudden a stop as

24£®Many of the creatures in Rowling’s world are not real, and much of ________happens is strange.

A£®which                     B£®that                 C£®what              D£®it

25£®Put a tie on. It will make you look more _________.