IF YOU’RE GOING ON A LONG WALK, PLAN YOUR ROUTE CAREFULLY BEFORE Y...
20. If you’re going on a long walk, plan your route carefully before you_______ .
a. go on
b. carry out
c. set off
d. make up
20. If you’re going on a long walk, plan your route carefully before you_______ .
a. go on
b. carry out
c. set off
d. make up