1. We should tend on customers warmly.
2. More of the girls, who tended on average to be slightly younger than the boys, were still at school.
3. They commanded the guard to tend on you.
4. They also tend on average to be better off, better educated and, more importantly, employed.
5. Smart kids tend on balance to do well in school.
6. House and land prices tend on the whole to go up rather than down.
7. Although Americans have different views on many issues, they tend on agree on one subject: taxes are too high.
8. This paper focuses on a new design of the manipulator driving device based on the problem of the present tend on driven manipulator and solve the weight problem of motor.