It is said that more schools ________ in Linyi next year.

The study suggests that the cultures we grow up _______influence the basic processes by which we see world around us.

He tries ____ English well, so he practises_____ English every day.

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

Tom has made great progress this term.— , and .