To live on Mars, you need to wear boots which ________ to prevent you from floating off into space.

Experienced liars can make use of gestures to take you in; for instance, they often ______ look at you straight in the eyes as if they were telling the truth.

They didn’t study hard . _________，they couldn’t pass this English exam .

How is the man injured in the accident?—- The doctor said if ________ in a proper way, he was likely to be saved.

ictionary is _____ to me, but thatone is _____