“May I take your order now?” “We’d like three black _______ and two green _______.”

But the unpleasant feeling of coldness disappeared at the _______ of his students pouring out of their classroom to give him a warm, wordless welcome.

Office _______ is just something that he plays at; the one thing that really interests him is golf.

The rising house price has become the biggest ______ of the ordinary people in China today.

---Is there any _______ to the time about how long I can stay here?---Yes, you must leave here before he comes back.