Remember_____ the light when you leave.

Find ways to praise your children often, ____ you’ll find they will open their hearts to you

Shortly after publication, the book became ____ because of the writer’s repeated use of the negative word “nigger” to refer to the black Americans.

Shall we attend the concert this evening?—Great idea, ___ we can do some shopping first

下列各句中，表达得体的一句是