Research on how to protect the environment has been ____ at the University of Leeds.
A: carrying out
B: carried out
C: carrying back
D: carried back
A: carrying out
B: carried out
C: carrying back
D: carried back
举一反三
- Not all of those _____ takeovers continue to run the business they have bought. A: to be carried out B: carrying out C: being carried out D: carried out
- I wonder what trouble he had ______ the plan. A: to carry out B: carrying out C: carried out D: with carrying out
- 16.The experiment shows that proper amounts of exercise, ifregularly, can improve our health. A: being carried out B: carrying out C: carried out D: to carry out
- We held a meeting to discuss the plan that ____ the next week. A: carry out B: carrying out C: will be carried out D: to carry out
- the team has been carrying out