次の文にはそれぞれ1箇所ずつ誤りがあります。誤りを指摘し正しい形に直しなさい。
3
ロ1.Iwill read this book three times ifI readitagain.
口2. The boy has already gone to bed when his father came home.
has
had
口3. They have built the stadium bythe next tournament.
ロ 4. Mary had never heard Japanese music when she comes to Osaka.
ロ5. Ayaka had been knowing Hitomi for 10 years before I met them.
