The famous actor keeps fit by______ for an hour every morning.

The new group of students is better-behaved than the other group who stayed here _____

Joan and Mary haven’t seen each other_____ they left school five years ago.

Look! There a number of apples on those trees.—Wow! I think the number of the apples over 100.

Thclearer and fish havebegun to show up in it.