busy working/amn

31.   He said one room in the villa was stacked full of computers and residents were busy working on them.

a. + working >>共 360 个
inner 17.15%
poor 8.39%
busy 2.92%
hard 2.92%
internal 2.36%
comfortable 2.26%
official 1.51%
american 1.32%
normal 1.13%
living 1.04%
busy + n. >>共 970 个
street 6.57%
schedule 5.60%
day 4.31%
intersection 3.21%
road 2.84%
time 2.17%
highway 1.92%
life 1.84%
man 1.67%
week 1.64%
working 0.77%
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