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用所給詞的適當形式填空

________ (not make) any noises for your father is sleeping.

用所給詞的適當形式填空

Lily and Kate ________ (study) together when I left our classroom.

用所給詞的適當形式填空

Clone (克隆) is considered to be a new ________ (discover) in science.

用詞的適當形式填空

You needn't describe him. I ________ (meet) him twice.

用詞的適當形式填空

Jack ________ (study) in this school since two years ago.

用詞的適當形式填空

He called me up when I ________ (have) a shower this morning.

用詞的適當形式填空

He ________ (go) skating with his classmates just now, it's his favourite sport.

用詞的適當形式填空

I hear Hangzhou is a beautiful city. but I ________ (never, be) there.

用詞的適當形式填空

How long ________ your father ________ (work) in this factory so far?

用詞的適當形式填空

How long has the dog ________ (die) ?