--It ________ the Chinese people eight years to build the Three Gorges Dam（三峡大坝）.

--How great!

--There goes the bell.

--It's time for class. Let's stop ________.

---Can you ______ it in English?

---Yes, I can.

--Do you often hear the girl________?

--Yes, listen! She ________ now.

--Does his uncle live in London?

--Yes, he has lived there _________ two years ago.

选择正确译文

我想他年纪很大了。

--- The train is leaving right now, but David hasn't arrived yet.

--- Well, he said he ________ here on time.

--What the ________ number of the girls in your class?

--About twenty.