Have you read this book?　　　　— Yes. But that one is ________ worth reading.

Is this model plane________,Tom —-Yes,it is______.I made it by______.

.—DavidI’ve lost my keys again—Here, not again！You______ your keys

Since Jack was laid off from his job three months ago, hea new one, but without luck

Mr. Green asked Lily ________ she had written to her father _______.