Dưới đây là các câu hoàn chỉnh với cách dùng từ phù hợp:

50.
I never take __________ rain or snow, there are always more than fifty thousand fans at the football games.
→ B. Although

51.
A small fish needs camouflage to hide itself __________ its enemies cannot find it.
→ C. so that

52.
The gate was shut __________ the cows won’t get out of the cage.
→ A. so that

53.
The car was easy to recognize, __________ it wasn’t difficult for the police to catch the thieves.
→ C. so

54.
He works hard __________ help his family.
→ B. in order to

55.
We moved to the front row __________ we could hear and see better.
→ B. so that

56.
Mozart could write music __________ he was only five.
→ C. when

57.
I made a mistake __________ I was tired.
→ C. because