The doctor worked ___ five hours ___ a rest. [ ]

He spoke English so well that I took _______ for granted that he was an American.

Although Little Binging got a very serious illness, people didn’t ___________ this poor baby and tried their best to save him.

____ in Jiangxi Province the next morning _____ we found many places flooded by the thunderstorm.

You had better save your time ____.[ ]