However, at times this balance in nature is ______, resulting in a number of unforeseen effects.
The island where these rare birds nest has been declared a _________area.
Your stay abroad will give you ________opportunities to learn a new language.
Some people act regardless _________what will happen afterwards.
I assumed him to be able to read. Which of the following word can replace the word “assume”?
Generally speaking, friends have________in__________ each other.