Jack,it’s too hot here.______ I open the window?
Sun Yang, a young Chinese swimming talent, ___________several gold medals before 2012 London Olympics.
The government has taken some measures to solve the shortage of electricity, but it may be some time ____________ the situation improves.
Mary had to go to a meeting,so she left her children ___________ at home.
A cell phone could ___________the energy which could activate your brain.
I think it a great honor ___________ to visit your country.