In their efforts to persuade us to buy that product, shopkeepers have made a close study of human nature and have __________ all our little weaknesses.
When a pencil is partly in a glass of water, it looks as if it _______.
I wonder how he _______ that to the teacher.
The little girl _______ her heart out because she _______ her toy bear and believed she wasn't ever going to find it.
It is so nice to hear from her._______, we last met more than thirty years ago.
Boris has brains.In fact, I doubt whether anyone in the class has _______ IQ.