to put his foot down : to be very strict in opposing what somebody wishes to do Look at the sentence :
● You have got to put your foot down and make him stop seeing her. Here, not to yield is the right usage.

Correct Option: B

to put his foot down : to be very strict in opposing what somebody wishes to do Look at the sentence :
● You have got to put your foot down and make him stop seeing her. Here, not to yield is the right usage.

to roll out the red carpet : to give a special welcome to someone important Look at the sentence :
● I didn’t expect to be given the red carpet treatment ! Here, to give a grand welcome is the right usage.

Correct Option: D

to roll out the red carpet : to give a special welcome to someone important Look at the sentence :
● I didn’t expect to be given the red carpet treatment ! Here, to give a grand welcome is the right usage.

a hornet’s nest : a difficult situation in which a lot of people get very angry Look at the sentence :
● His letter to the papers stirred up a real hornets’ nest. Here, an unpleasant situation is the right usage.

Correct Option: B

a hornet’s nest : a difficult situation in which a lot of people get very angry Look at the sentence :
● His letter to the papers stirred up a real hornets’ nest. Here, an unpleasant situation is the right usage.

to have an axe to grind : to have private reasons for being involved in something Look at the sentence :
● He had no axe to grind and was only acting out of concern for their safety. Here, to have a selfish end to serve is the right option.

Correct Option: D

to have an axe to grind : to have private reasons for being involved in something Look at the sentence :
● He had no axe to grind and was only acting out of concern for their safety. Here, to have a selfish end to serve is the right option.

sit on the fence : to avoid becoming involved in deciding or influencing something. Here, halting between two opinions is the right option. Look at the sentence :
● He tends to sit on the fence at meetings

Correct Option: B

sit on the fence : to avoid becoming involved in deciding or influencing something. Here, halting between two opinions is the right option. Look at the sentence :
● He tends to sit on the fence at meetings