_______animals are in danger and there will be _______space for them if we do nothing for them.
This is a blue pen. That is _______ orange pencil. A. a B. an C. The
Jenny Lin plays for _______.He is good at playing basketball. A.CCTV B.NBA C. BBC
— My family and I will go back to the USA tomorrow. — ____________
-- Must I do my homework right away? -- No, you _____. You_____ do it later.
-- Don’t cross the road when the traffic lights are red. -- .