More attention must be paid____ the endangered animals.
The result of the study was published last week in New York, a ______ magazine in America.
She read the letter through before sending it, ______ for spelling mistakes.
“You’ve left the light on.” “Oh, so I have. _____ and turn it off.”
New technology ______ to make sure that the cars, taxis, buses and trains we use ______ the air.
The real test of ______ English is whether they can speak, read, write and orally understand good standard English.