_____ all the animals I’ve ever had, these two dogs are the most sensitive to the spoken word.
The young man comes from a(n) ________ family,who owns several companies in London and Paris.
—What was it that caused the party to be put off?—________ the invitations.
The new technology,if ________ to farming,will help increase the grain output.
________ this way can we smooth the difficulty we are faced with now.
There are eight tips in Dr.Roger's lecture on sleep,and one of them is:________ to bed early unless you think it is necessary.