W HE N YOU ARE LATE F O RCLASS, YOU S H OU LD APOLOGIZE F O RYOUR...

43. - 300 CAU TRAC NGHIEM XAC DINH LOI SAI
300 CAU TRAC NGHIEM XAC DINH LOI SAI

43. W

he

n you are late f o rclass, you s h ou

ld apologize f o ryour teacher.

a. When

b. for

c. should

d. for