1. It was quite waste of time 【？】 all. 【？】に入る単語は？

• before
• at
• after

2. You should learn idioms in 【？】 to understand English more. 【？】に入る単語は？

• good
• order
• use

3. My dog does not 【？】 me as his master yet. 【？】に入る単語は？

• regard
• think
• good