(1) We don't believe it because it is very (believe) .

用discover或invent的適當(dāng)形式填空

(1) We that our luggage had been sto- len.

(2) 1 think the calculator was before the computer.

6. 科技以如此迅速的方式發(fā)展，真是令人難 以置信！

  technology has progressed in such a rapid way!

5. 我曾經(jīng)去過的最有趣的博物館是美國計(jì)算 機(jī)博物館。

The most interesting museum   is the American Computer Museum.

4. 它真的很有趣，不是嗎？

It's really interesting ,  ?

3. 今天，讓我們?nèi)ヒ粋�(gè)與眾不同的地方吧。

Let's go  today.

2. “你曾經(jīng)去過歷史博物館嗎？”“不，我沒去 過�！薄拔乙矝]去過�！�

—Have you ever been to a history museum?

—No ,  .

-- .

1. “你曾經(jīng)去過科學(xué)博物館嗎？”“是的，我 去過�！�

--    a science museum? 

—Yes, .

1. 去滑冰

2. 不同種類的

3. 鼓勵(lì)某人做某事

4. have a great time

5. a couple of

() 5. —Bill hasn't finished reading Treasure Is- land yet. What about you?

--I've read it twice .

   A. just then   B. just now

   C. yet   D. already