No regular advertiser dare produce anything that fails to stick to the _______ of his advertisement.
___________________, but he still couldn’t understand what I meant.
Not until he took off his dark glasses ___________ he was a famous film star.
Having weekly meals together _______ to be helpful in bringing the family together.
The _______ look in her face suggested that she ________ it before.
.—Whose advice do you think I should take? —_________________________.