1. People must take care of nature.
2.You must prepare the monthly sales report.
3.He must be on his way here.
4. John has just returned from his hike, he must be exhausted.
5.He must never have been abroad.
1. People must take care of nature.
2.You must prepare the monthly sales report.
3.He must be on his way here.
4. John has just returned from his hike, he must be exhausted.
5.He must never have been abroad.