Living things are dying out quickly.Let’s ask____destroying the in the pastyears.
He _______ his car key, _______ that I could I use his car.
Without permission, no one ______ let out the news.
A 6.5-magnitude earthquake ________ southwest China’s Yunnan Province on the afternoon of August 3, leaving 615 dead and more than 3140 injured .
It hasn’t been ______ that food from cloned animals is really safe for humans to eat.
We wanted to purchase the house, but couldn’t ________ the money.