— How could you ______ my sister so easily in the crowd? — Because she stood out in her red dress.
This robot is supposed to save a lot of labor, but it remains a problem if it ______.
George applied for the position three times ______ he finally got it.
With his eyes ______ on the family album, he thought of the fun he had when he lived with his parents.
The country life he was used to _____ greatly since the opening policy.
He went there, _____ some books and call on an old friend of his.