It was a pity that the great scientist died his research unfinished.
-Did you catch the first bus?-No ,it_______ the stop by the time I got there.
______the boy has already corrected his mistake, we should not punish him any more.
We finished the job last night ,but it was already midnight _______I arrived home.
-Why did Jack leave in a hurry just now? - his parents from his hometown at the station
-The frightening black clouds are gathering .lt______.-Sure Let's go indoors,