Whether it will do us harm remains_______ .
At first I doubted his ability, but in the end he _______to do the job well.
This species has nearly _________because its habitat is being destroyed.
He has been out of work for three months; as a result, he has to ____on family expenses by one-third.
——You are always full of __________.Can you tell me the secret?——Taking plenty of exercise every day.
Standing on the top of the hill, you can get a good ________of the whole city.