They ______ (find) nothing yet． (用所給單詞的適當形式填空)

Do you know that scientists ______ (discover) water on Mars? (用所給單詞的適當形式填空)

I ______ (finish) my homework．Can I go out to play now? (用所給單詞的適當形式填空)

We've ______ (know) he broke the window．(用所給單詞的適當形式填空)

(用所給單詞的適當形式填空)

桯ave you remembered all the new words?

桸o．I ______ just ______ (finish) ______ (copy) them．

He ______ (not know) anything about SARS yet．(用所給單詞的適當形式填空)

(用所給單詞的適當形式填空)

桪o you know where Shui Junyi is?

桟ertainly．He ______ (go) to Iraq．

(用所給單詞的適當形式填空)

______ you ever ______ (be) to Korea?

梇es，I ______ just ______ (reach) home．

The newspaper is here．It ______ (come) a moment ago．I ______ (not read) it yet．(用所給單詞的適當形式填空)

We can't go b______ that point．(根據(jù)句意及首字母提示完成單詞)