A lot of language learning, ________ has been discovered, is happening in the first year of life, so parents should talk much to their children during that period.
Some researchers believe that there is no doubt ____ a cure for AIDS will be found.
My sister has been feeling ______ since she started her first job. She can’t sleep well.
Not only ______ a city and a republic, but ______also to become the capital of one of the largest empires in history.
Two hundred people showed up for the wedding, about 50 more than we had ____planned.
You were silly not ______ your car.