Key to Exercises UNIT 40 40.1 1 is 6 seems 2 suggests 7 are 3 is 8 is 4 appear 9 are (or more 5 has colloquially 'is') 40.2 2 university refuse/ refuses 3 audience ... is (A singular verb form is more likely here as the focus is on the audience as a whole rather than individual members.) 4 orchestra perform/ performs 5 jury includes (A singular verb form is used here as 'include' focuses on the group as a whole rather than individual members.) 6 class have (A plural verb form is used as this is something the individuals did, emphasised by the use of 'all'.) 7 press presents/ present 8 The United Nations has/ have 40.3 1 atmc- comes top 2 ✓ 3 detail-details the crimes 4 are-is one of 5 ✓ 6 / 7 4wve-has to clear 8 are- is used 9 / ('...need to be kept...' is also possible) 10 ate- is a party game UNIT 41 41.1 1 b any of his early paintings remains/ remain c any of the food tastes d any of Dr Jones's acquaintances knows ('know' is also possible, but a singular verb is perhaps more likely in the formal context that this example suggests) 2 a the number of vegetarians is expected b a number of other museums ... charge c A number of medicines relieve d the number of victims ... exceeds 3 a Each of the pieces lasts/ last b each of these factors influences ('influence' is also possible, but a singular verb is perhaps more likely in the formal context that this example suggests) c Each player tries d Each of the cars are/is tested 41.2 1 are - wants 2 think - has (more likely than 'have' in this formal context) 3 has or have - has 262 4 claim - constitutes (more likely than 'constitute' as 'the wreck of the ship and its cargo' constitute together, as a single item, a danger) 5 is or are - have - are or's UNIT 42 42.1 1 / ('have' is also possible) were ✓ is was have 7 / ("were' is also possible) 8 is 9 / 10 go 11 arc 12 seems 13 / ('has'is also possible) 14 / 15 has 16 ✓ 17