We have launched another manmade satellite, ________is announced in today’s newspaper.
Twenty students want to attend the class that aims to teachto read first.
What are you doing out of bed, Tom? You're to be asleep. ,
If you __ go, at least wait until the storm is over.
With new technology, pictures of underwater valleys can be taken color.
The employment rate has continued to rise in big cities thanks to the efforts of the local govenments to increase .