We must _____ that the experiment is controlled as rigidly as possible.
举一反三
- We must ______ that the experiment is gong to be controlled as rigidly as possible. A: assure B: secure C: ensure D: endure
- We must that the experiment is controlled as strictly as possible. A: issue B: assure C: ensure D: achieve
- In order to protect our traditional festivals, we must rigidly follow ancient customs.
- “Must we start the experiment now?” “No, you________.”
- We must accept the _________ (possible) that we might be wrong.