27. It took us a few hours to get everything ready for the picnic, but, ____, it started to rain as
soon as we walked out the door.
(A) luckily
(B) unfortunately
(C) quietly
(D) positively
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It took us a few hou...
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It took us a few hou...
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picnicn.1.野餐,郊游;各人自帶...
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27. 我們花了幾個小時才准備好野餐的一...