Fill in the blanks with an appropriate preposition.
1There were fortifications ............... the border to discourage invaders.
Wrong!
We use "along" to mean following the length or line of the border.
2The wooden beams were fortified ............... steel rods.
Wrong!
The correct collocation is "fortified with" when something is strengthened using a material.
3He wanted to free his people ............... hunger.
Wrong!
The correct pattern is "free someone from" a harmful condition or situation.
4The expedition was fraught ............... danger.
Wrong!
The fixed phrase is "fraught with" when something is full of danger or difficulty.
5He was charged ............... fraud.
Wrong!
The correct legal expression is "charged with" a crime.
6The halls should be kept free ............... furniture.
Wrong!
The phrase "free of" means without something unwanted or unnecessary.
7Do you have time for a glance ............... this report?
Wrong!
The common phrase is "a glance at" something you look "at" briefly.
8Florence Nightingale was renowned ............... her good deeds.
Wrong!
The adjective "renowned" is followed by "for" when giving the reason for someone’s fame.
9He never got ............... his hurt at being rejected.
Wrong!
The phrasal verb "got over" means recovered from an emotional hurt.
10The vaccination made the children immune ............... measles.
Wrong!
The adjective "immune" is followed by "to" before a disease.
11The entrance is blocked ............... an immovable rock.
Wrong!
We use "by" to identify the thing causing the blockage in a passive sentence.
12The patient improved ............... new treatment.
Wrong!
We use "with" to show the treatment that caused the improvement.
Done.
Score: 0/12
Answers
- There were fortifications along the border to discourage invaders.
- The wooden beams were fortified with steel rods.
- He wanted to free his people from hunger.
- The expedition was fraught with danger.
- He was charged with fraud.
- The halls should be kept free of furniture.
- Do you have time for a glance at this report?
- Florence Nightingale was renowned for her good deeds.
- He never got over his hurt at being rejected.
- The vaccination made the children immune to measles.
- The entrance is blocked by an immovable rock.
- The patient improved with new treatment.

