A. take B. make C. pick D. do
A. remain B. stay C. leave D. let
A. lonely B. single C. separate D. alone
A. tools B. baggage C. equipment D. property
A. such B. like C. as D. just
A. on B. by C. at D. of
A. wild B. natural C. loose D. free
A. coming B. becoming C. continuing D. developing
A. distances B. directions C. measurements D. lengths
A. is B. has C. did D. does