It has been announced that all the candidates ______ remain in their seats until all the papershave been collected.[ ]

If Sanlu Group melamine to the milk,the babies too much from kidney stone.

How soon will Sam get his money back—__________. Better late than never!

It is a slow process to _______ a good knowledge ofEnglish.

He lost his job, along ______ hundreds of others, when the company closed