he must sthdy hard likes his brother改错
问题描述:
he must sthdy hard likes his brother改错
you had better not to go to school by bike改错 you only should drink safe water改错
答
he must sthdy hard likes his brother改错likes改成likeyou had better not to go to school by bike改错 to去掉you only should drink safe water改错only should改成should only