An Austrian naturalist, _____________ I worked closely in the Eighties, discovered this particular orchid.

The jungle___________ the tribe lived was full of strange and unusual animals.

15. Her _______________ (DENY) of responsibility for the accident was unconvincing. She said it was not true that she caused the car crash but nobody seemed to believe her.

Does he know the girl __________ John is talking?

22. Local officials have been ______________ (COOPERATE) on working together, and they have come up with effective solutions.

The jungle ________ the tribe lived was full of strange and unusual animals.

John________I am very proud is a colleague of mine.

The day ______________ I'm forced to give up riding will be a sad day for me.

12. The ___________________ (MODERNIZE) of the 100-year-old sewage and water systems will cost millions of pounds.

1. Newman published two novels ________________ (ANONYMOUS). Therefore, nobody was able to identify him by name.

5. Authorities have realized the ___________ (VULNERABLE) of the local population and decided to take immediate action to protect them against any harm.

8. In theory, most phone calls should be __________(TRACE). However, in practice, it’s not possible to keep track of some of them.