Ледяной дайвинг на байкале
Optimistic-cheerful, bright
patient-calm, quiet
easy-going-permissive,happy-go-lucky, flexible
sociable-friendly, companionable
honest-sincere,truthful, fair
reliable-trustworthy,trusty,faithful
stubborn-obstinate,bullheaded
selfish-egoistic,self-seeking
shy-timid, humble
Вообще an elephant. Но если предложении на подобие there some elephants over there (там несколько слонов), то some. Зависит от ситуации
1.(Becky and Tom) were supposed (to have stayed at the widow Douglas'.)
2. (The number of the unemployed) is reported (to be increasing with every year. )
3. (Many new textbooks) are expected (to be published soon.)
4. (The Moscow Underground) is said (to be the finest in the world.)
5. (A hare) is known (to run very fast.)
6. (The man) was seen (to take off his coat.)
7. (The diamond content of the mines in Western Yakutia) is said (to be in no way inferior to that of the world-famous South African mines.)
8. (My close friend) is known (to have learned "Eugene Onegin" by heart) .
9.(These devices) are considered (to be very effective).
10.(The crisis) was announced (to be over) but they should prepare for the worst.
Это перечисление действий,так что используем past simple:
He woke up and looked at his alarm clock.