Theory is ______ in that it can provide a direction for practice.

___ warmly for his work, he was too ___ to fall asleep.

- What about my career prospects? Is my work contract __________? - I think so. If we’re satisfied with you, you can become our permanent worker.

The work was difficult, but Tom’s ____expression showed that he would finish it in time.

—The hotel business in China is as __________ as that in developed countries now.—Yes, but we still have a long way on energy saving hotels.