Regardless of ________ the obstacles in this life may be, I will run my race to the best of my ability.
The patient has been ___ by nurses night and day since the operation.
You can have your computer repaired by John, which is ___ he is ___.
After a series of researches, they finally ___ that the pollution was the leading factor contributing to the death of the creatures in the river.
The evening party ___ cheers but everyone was still immersed in the happy atmosphere of it.
In the past few years the worked ___ a lot of suggestions but none of them was adopted.