克里斯在花园里敲打了一整天。

Chris was hammering ___away in the garden all day.

他们聊了一会儿，因为马尔科姆得等机场出租车。

They chatted ___away for a while as Malcolm had to wait for the airport taxi.

她一直在修改手稿，直到凌晨。

She worked ___away at the manuscript until the early hours.