We must ______ that the experiment is gong to be controlled as rigidly as possible.
A: assure
B: secure
C: ensure
D: endure
A: assure
B: secure
C: ensure
D: endure
举一反三
- We must _____ that the experiment is controlled as rigidly as possible.
- We must that the experiment is controlled as strictly as possible. A: issue B: assure C: ensure D: achieve
- We must do everything possible to ensure the students’______ (safe).
- They promise to try all means to _____ that the sample will arrive in time at the trade fair. A: ensure B: insure C: secure D: assure
- Fill in each of the following blanks with the proper form of the given words。 We must do everything possible to ensure the students’_________ (safe).