—Daddy, which of these smart hats do you like best in the hat shop?—_______. They are both expensive and less warm-keeping.

This pair of shoes_______ too big, can I try another____?

I don’t think _____ possible to master a foreign language without much memory work and practice.

 We feel________our duty to make our country a better place.

The two men are so alike that strangers find _____ difficult to tell one from the other.