20. He reads newspapers every day to keep himself_______about what's going on in the world.
We need some more facts and figures we take the final decision.
Only you step into society can you learn practical things.
John returned with two laborers, with help we finally got the car out of the mud.
— If I were you, I’d take a bus to work. Taking a taxi is really expensive. — But today I got up too late.
【改编】Nowadays, some people are suffering from Ebola, which if not , will threaten their lives.