ke to buy a house — modern, firm, comfortable,and ________ in a quiet neighborhood.

The traffic rule says young children under the age of four and ___ less than 40 pounds must be in a child safety seat

Malaysia Airlines MH370 Flight ______ happened on March 8th, it has aroused a widespread concern around the world.

Hey, Jack! I’ve worked on this math problem half an hour ,but it’s got me nowhere. Could you give me a hand – ______ . I’m good at math.

The families of the trapped miners’ are________ to get any information about their relatives from the rescuing center.