Over the past decades, sea ice _________ in the Arctic as a result of global warming.[ ]

.____that I’m feeling all right,my brain is also beginning to work much better.

Harry telephoned to the airport to_________ whether Flight 24 for San Francisco is departing on time.

I’ll go to bed as soon as my homework______

I heard quite a few bikes were thrown away at Liaocheng University.— _________________. They should be made use of.