从下面方框中选出与下列各句中画线部分意思相同或相近，并能替换画线部分的选项。
1.It is usually warm in March in my hometown， but it can be rather cold at times .
2.He doesn’t have much spare time to go shopping.
3.To start with ， we must be ready for our experiment.
4.They decided to set up a new school in the village.