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句型轉(zhuǎn)換。

Tom went to the museum．He's still there now．(合并為一句)

Tom ________　________　________ the museum．

句型轉(zhuǎn)換。

I've been to Hong Kong twice．(對(duì)畫線部分提問)

________　________　________ have you been to Hong Kong?

句型轉(zhuǎn)換。

Mr Lin has already bought another house in town．(改為否定句)

Mr Lin ________　________ another house in town ________．

用所給詞的適當(dāng)形式填空。

It is interesting ________(read)a book on space travel．

用所給詞的適當(dāng)形式填空。

So far we ________(finish)solving all the problems．We can have a good rest．

用所給詞的適當(dāng)形式填空。

These are some ________(photo)of my foreign teachers．

用所給詞的適當(dāng)形式填空。

I ________ just ________(buy)a new MP4．

用所給詞的適當(dāng)形式填空。

He has finished ________(read)this book．

在其他的任何一個(gè)星系我們還沒有發(fā)現(xiàn)生命。

We ________　________ life on ________　________ planet yet．

宇航員已經(jīng)去過月球了。

Astronauts ________ already ________　________ the moon．