Is Jack on duty today? — It _____be him. It’s his turn tomorrow. [ ]

To save animals is in danger, people decide to more nature parks.

I’m afraid I’ve broken your chair—–Ican easily get it fixed

_____ my finishing reading the novel, you shall have it immediately

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