The message is very important, so it is supposedas soon as possible.
---I will have to think about it again.--- If you _ , you may lose the opportunity to compete altogether.
Exploring ________space is exciting, yet dangerous. There is ________need for both robots and humans for space exploration.
My mother has always _______ we eat every healthily.
One of the advantages of living on the top floor of a highrise is that you can get a good _______.
Listen to the two girls by the window. What language _________?