We must ___________ the consequences of selfishness.
A: be familiar with
B: be mindful of
C: be addicted to
D: be controlled by
A: be familiar with
B: be mindful of
C: be addicted to
D: be controlled by
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 ______ that the experiment is gong to be controlled as rigidly as possible. A: assure B: secure C: ensure D: endure
- From time to time we must look up words （）. A: the meanings of those we do not know B: whose meanings we are not familiar C: that we do not know their meanings D: whose meanings we do not know
- We like to read the book （） . A: subject of which we know well B: its subject we know well C: whose subject we are familiar with D: whose subject we are familiar