Whether this experiment will be successful or not is still difficult to (unpredictable).
举一反三
- The operation was successful, but I still felt _____.
- On seeing the courses ____________ by that college, I doubt whether I should still go there because most of them seem too difficult to me. A: opened B: created C: offered D: established
- The result of the first experiment is very promising. A: successful B: meaningful C: hopeful
- 智慧职教: The operation was successful, but I still felt _____.
- _____they will go there to try another experiment has not been decided yet. A: Whether B: If C: About whether D: Why