Ladies and gentlemen, please fasten your seat beltsThe plane ______.

Could you help me work out the maths problem, Mrs Zhao — . What is it

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

_________ she can’t find her keys? She’ll be locked out all night. —You are right. I’d better call her to check if she’s OK. [ ]

The policeman is still not sure ______ the young mankilled himself or was killed.