—What’re _____ favorite animals?        —My favorite animals are dogs. 

Is there  ________________ about the event of the missing Malaysia Airlines plane(马来西亚飞机失踪事件)in today’s newspaper?

“Underground” is the only word in the English language _____ begins and ends with the letters “und”.

I like junk food so much because ______ really delicious.

-- Lucy, when did you plant trees, last Saturday or Sunday ?   --_________. We did it last Friday.