Last year was a hard time to my friend David, but he didn’t his hope.

rks, ________ of gun powder or flashpowder _______ in a tight paper tube, make the big flash or boom effect

Jess was sad and her friend helped her ________thefirst awful weeks after her husband Bill died

party, we saw Ruth standing alone in the corner ofthe hall

下列各句中，划线的成语使用恰当的一项是（ ）