catch a tartar : to deal with someone or something that proves unexpectedly troublesome or powerful. Here, to deal with a person who is more than one’s match is the right option. Look at the sentnece :
● It looks like we caught a Tartar when we tried to muscle their store out of the area.

Correct Option: B

catch a tartar : to deal with someone or something that proves unexpectedly troublesome or powerful. Here, to deal with a person who is more than one’s match is the right option. Look at the sentnece :
● It looks like we caught a Tartar when we tried to muscle their store out of the area.

null and void : having no legal force; not valid Here, invalid is the right option. Look at the sentence :
● The contract was declared null and void.

Correct Option: A

null and void : having no legal force; not valid Here, invalid is the right option. Look at the sentence :
● The contract was declared null and void.

dressing-down (N.) : an occasion when somebody speaks angrily to a person because they have done something wrong. Here, give a scolding is the right option. Look at the sentence
● I’m really late. I know my parents will dress me down when I get home.

Correct Option: C

dressing-down (N.) : an occasion when somebody speaks angrily to a person because they have done something wrong. Here, give a scolding is the right option. Look at the sentence
● I’m really late. I know my parents will dress me down when I get home.

burn your boats/bridges : to do something that makes it impossible to return to the previous situation later. Here, do something that makes it impossible to return to the previous situation is the right option. Look at the sentence :
● Think carefully before you resign-you don’t want to burn your bridges/ boats.

Correct Option: C

burn your boats/bridges : to do something that makes it impossible to return to the previous situation later. Here, do something that makes it impossible to return to the previous situation is the right option. Look at the sentence :
● Think carefully before you resign-you don’t want to burn your bridges/ boats.

on tenterhooks : very anxious or excited Here, in suspense and anxiety is the right option. Look at the sentence :
● I have been on tenterhooks all week waiting for the results.

Correct Option: B

on tenterhooks : very anxious or excited Here, in suspense and anxiety is the right option. Look at the sentence :
● I have been on tenterhooks all week waiting for the results.