Mothers holding jobs outside the home should have ________ schedules to make it easier to care for their children.

From his         look, we could see the boy was         of the stranger.

With online shopping increasingly popular, the Internet is seen as a(n)   way of reaching target customers.

—Are you satisfied with her answer? —Not at all. It couldn’t have been ________.

The coastal city is ______ in natural resources, especially sea foods and water resources.