The officials have expressed ________ over the safety of the mine workers trapped in the mine.
---Is he __________ better today?---Actually, he is _________ better than yesterday, which worries the doctor and his family.
His reaction ____________ her visit is mixed. It is a mixture of excitement and worry.
---Can I ask you a question?---Yes, ____________.
Standing on the top of Chongqing World Financial Centre, we’ll get a city-wide _________.
A new law has been passed but it remains _________ whether the new law will achieve its desired purpose.