Use the correct verb form: Tourists could see fish (swim)............ along the brook

1. Use the correct verb form
1. Tourists could see fish (swim)............ along the brook.
2. We enjoy (swim) ..................... along this river.
3. The form teacher has asked Jack (write) ................ an essay on the Thames
4 . It sometimes may be difficult (get)......... a taxi during rush-hours.
5. The rain has made the children (stop).................... their games.
6. She tells the driver(take) ........................... her to the railway station.
7. Does Mrs. Green have them (carry) ................those books back home?
8. The principal noticed those pupils (try) ......... .......... harder and harder.
9. Children have just stopped (play) .................. ......... football.
10. They keep (talk) ......... ................ about an old friend they met yesterday.