we had _______ Disneyland in Shanghai on May Day!

What the doctors really doubt is ________ my mother will recover from the serious disease soon.[ ]

－ Henry isn’t quite himself today. He seems to be so tired.－ He said he had worked on his project ________ the whole night.

wasold,MrSmith_____sitforhourswithoutsayinganything

We wonder ___________ quite a number of living things are dying out.