27. I had trouble (spell)___________the difficult words when I first started learning French.
查看答案
28.Make sure that the new equipment (install)____________in a safe manner.
29. As a police officer, you are trained to stay calm even in extremely (danger)___________situations.
30. It is said that Abersoch is one of the (good)_________beaches in the UK.
31. Don't forget (lock)___________the doors when you leave your car in the parking lot.