Our government is trying its best to ____the social security system to protect people’s rights.
Barbara is easy to recognize as she's the only one of the women who ______ evening dress.
I,____ your friend, will try my best to help you out.
The number of people who __________ cars __________ increasing in China.
Every possible means __________ to save the wounded soldier up to now.
Not only I but also Jane and Mary __________ tired of doing the same thing all the time.