.The field research will take Joan and Paul about five months; it will be a long time _____ we meet them again.
Only after her mother came to help her for the first few months _____ to begin her project.
_____ a family of chimps wake up is our first activity of the day.
Earlier that day, when they crossed the Rocky Mountains, they ____ to catch sight of some mountain goats and even a grizzly bear and an eagle. A. tried B. had C, managed D. surrounded
. It is so wet there that the trees are extremely tall, some _____ over 90 metres.
. Skiing in the Rocky Mountains and sailing in the harbour make Vancouver one of Canada’s most popular cities _____.