1. It/ not easy/ ansewr/ these questions
->It is not easy to answer these questions.
2. It/ impossible/ understand/ his theory
->It is impossible to understand his theory.
3. Your writing/ difficult/ read
->Your writing are difficult to read.
4. They/ ready/ start/ now
->They are ready to starting now.
5. We/ delighted/ get/ your letter
->We delighted to get your letter.
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