Tricks are often ______those who don’t look clever or smart
Don't you recognize him? Just look up. On the opposite wall ________.
Whatever happens, Tom, ________ drugs.
If a healthy environment is gone, ________ everything that our life depends on.
—Under no circumstances ________ the door to the Data Centre unlocked. —I promise I'll be more careful in future.
The drug used to treat this disease causes bad side effects, some of which ________ deadly.