When traveling alone in the mountains, you ’d better take a _______ with you in case you get lost.
A、compassA
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Whenmakingmoderncameras,peoplebeganto_______plasticsformetal.
Freemedicalserviceis_______tonearlyallthecollegestudentsinChina.
Whentravelingaloneinthemountains,you’dbettertakea_______withyouincaseyougetlost.
Bothsugarandsaltcan______inwater.
Wecannot_______allthemagazinestogether.
