make light of something : to treat something as not being important and not serious. Here, treated it lightly is the right option.

Correct Option: B

make light of something : to treat something as not being important and not serious. Here, treated it lightly is the right option.

with one voice : unanimously; with everyone agreeing. Look at the sentence :
● The various opposition parties speak with one voice on this issue. Here, unanimously is the right option.

Correct Option: C

with one voice : unanimously; with everyone agreeing. Look at the sentence :
● The various opposition parties speak with one voice on this issue. Here, unanimously is the right option.

pale into insignificance : to seem less important when compared with something else. Look at the sentence :
● Last year’s riots pale into insignificance with this latest outburst of violence. Here, seemed less important is the right option.

Correct Option: A

pale into insignificance : to seem less important when compared with something else. Look at the sentence :
● Last year’s riots pale into insignificance with this latest outburst of violence. Here, seemed less important is the right option.

for keeps : for ever Look at the sentence :
● Is it yours for keeps or does he want it back ? Here, forever is the right option.

Correct Option: C

for keeps : for ever Look at the sentence :
● Is it yours for keeps or does he want it back ? Here, forever is the right option.

mend your ways : to stop behaving badly. Look at the sentence :
● You should mend your ways to win her trust. Hence, improve one’s behaviour is the right option.

Correct Option: D

mend your ways : to stop behaving badly. Look at the sentence :
● You should mend your ways to win her trust. Hence, improve one’s behaviour is the right option.