______ your homework and make sure that you don"t ______ any mistakes.

单项选择题______ English, she is studying Japanese and French.

单项选择题Babies often ______ down when they are learning to walk.

单项选择题He is very ______ in using money.

单项选择题She ______ the washing out in the garden because it was fine yesterday.

单项选择题Our society has changed and ______ in it.