The house still needed a lot of work, but ___ the kitchen was finished.

The earthquake damaged many houses and bridges; ______, it caused over 2,300 deaths. 

The task is too much for him, so he can’t continue ______any longer. He must get some help.

Tell your brother to come _____, because it's going to rain in a minute or two.

______ acupuncture developed, the simple “bian stones” were replaced first by stone  and pottery needles, and ________ by metal needles.