Instead of ____________ (等问题成了堆)，we should try to solve each as it arises.（pile up）
They were prompt to ____________ (对我们的求助做出回应)。(respond to)
The boy ______________(染上了流行感冒，不得不卧床休息)。（come down with）
__________（他会被释放）as soon as the fine is paid（set free）
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