.17 jenny usually (attend)_____attends______ her teacher's lecture on time.

18. In my house, pigs are often (feed)_____fed______ by my mother.
19. How about (travel) _____traveling________ to Nha Trang beach this weekend?

20. Anna (not manage)____haven't managed ____ to prevent her cats from fighting with each often since the first time.

16. If I were you, I (not go)                            _wouldn't go____________ out alone.

17. Jenny usually (attend) __________attends___ her teachers' lectures on time.

18. In my house, pigs are often (feed) _feed____________by my mother.

19. How about (travel) ________travelling_____ to Nha Trang beach this weekend?

20. Anna (not manage) _______hasn't managed______ to prevent her cats from fighting with each other since the first time.