用所给词的正确形式填空。

He was given ________(birthday)on May 8th twenty years ago．

用所给词的正确形式填空。

I heard nothing more about her ________(die)．

用所给词的正确形式填空。

Mrs Curie had won the Nobel Price ________(two)during her lifetime．

用所给词的正确形式填空。

The ________(discover)of America is Columbus．

用所给词的正确形式填空。

Who's the man ________(call)Tom Davis?

根据句意及括号内的提示写出词形正确的词。

I ________ never ________(meet)him since he left years ago．

根据句意及括号内的提示写出词形正确的词。

Some messages ________(send)to me every day．

根据句意及括号内的提示写出词形正确的词。

It ________(say)that the popular film star was born in a very poor family．

根据句意及括号内的提示写出词形正确的词。

They want to collect more materials for ________(far)research．

根据句意及括号内的提示写出词形正确的词。

Armstrong's landing on the moon made people believe that space ________(explore) was ________(true)possible．