根据句意和首字母提示完成单词。

1. I W_____ if he has arrived.

2. I went to the supermarket to buy some s_____ yesterday afternoon.

3. My mother took some money and walked to the m_____ just now.

4. That is q_____ a nice horse.

5. The farmers are busy getting r_____ for the harvest.

钢筋混凝土预制桩的混凝土强度达到设计强度的（）％方可运输和打桩。