How is the man injured in the earthquake—The doctor said if ________ in a proper way，he was likely to be saved

t the earth’s atmosphere to protect them,astronauts can be exposed to intense radiation from the sun, ____ them at riskof cancer

s the noise It sounds as if it comesfrom upstairs –______ It must be thewindow-cleaner working , nextdoor

Without his illness, our English teacher _______ to the zoo with us last Sunday.

Don’t forget _____ your history and Chinese books tomorrow morning.