1. This book is said [　　] twenty years ago.

• to have written
• to be written
• to have been written
• to write

答えに確信があります

2. My father didn't forgive me though I asked him [　　].

• of
• do
• for
• to

答えに確信があります

3. Why did you talk to him about the matter ? We asked you [　　] it.

• not to mention about
• not mention
• to not mention
• not to mention

答えに確信があります

4. I was thinking of going to Hawaii last month, but as my mother fell ill, I decided [　　].

• to not
• not to be
• not to
• not going

答えに確信があります

5. As it was very noisy in the hall, the speaker had to use a microphone [　　] him well.

• our to hear
• of us to hear
• in order to hear
• for us to hear

答えに確信があります