IF YOU WANT TO PUT UP A TENT, YOU WILL HAVE TO LOOK FOR A NICE FL...

18. - BAI ON TAP TRAC NGHIEM UNIT 1 3
BAI ON TAP TRAC NGHIEM UNIT 1 3
18. If you want to put up a tent, you will have to look for a nice flat piece of ………… . A. ground B. soil C. earth D. floor