每空填一词，使该句与所给句子的意思相同

1. We can learn English well only in this way.

  Only in this way _______ we ________ English well.

2. The United Kingdom consists of Great Britain Northern Ireland.

  The United Kingdom is ______ _______ _______ Great Britain Northern Ireland.

3.Give him some more help if it is necessary.

  Give him some more help ________ _______________.

4. He didn’t study hard, so he didn’t pass the exam.

  If he had studied hard, he _________ __________ ___________ the exam.