Only ________ can you hope to make improvement in the operating system.
. The Olympic Games in the year 2008___ in Beijing of China, which known to us all.
. If law and order _____, neither the citizen nor his family is safe.
The boy and girl each _____ their own toys.
He is, however, one of those restless people who never ___ content with their present environment.
One or two days ____quite enough to complete the work. ___ you or he going to work with me?