—Do you know the meaning of the new word? It puzzles me a lot.—I’ve no idea. But I think you can look it up in .
We must ________ ourselves and _______ our work.
Not only his parents but also his brother _______ to the Great Wall. They haven’t been back.
-- Have you got Rose's e-mail? --Yes, but I don't think her e-mail is worth _______.
The new jeans look nice _______ Grace because she looks nice _______ blue.
She devotes as much time as she could __________ the patients.