The voyages of travellers before the 17th century show that they were not _____ the sea even though they didn’t have modern navigational aids.[ ]

Without your timely help, we ________ in big trouble that day.

Grace doesn’t like math because she thinks it is ________.

Dorothy was alwaysspeaking highly of her role in the play, ___ , of course,made the others unhappy.

The house_________was destroyed has now been repaired.