单项选择（每题1分）Is this the reason _____ she explained in the report for her success in the job?

His rude words made____________very____________.—I’m sorry to hear that.

The foreigner a proposal that we develop the new product jointly. [ ]

Can you tell me _____ so many boxesof salt?— In “Legou Supermarket”

If our government loses ________ of food safety , our health will be in_________.