[ Grammar ]
The rudder was invented about two thousand years ago, and all of us who sail today is still using it.
A. Change was to were.
B. Change is to are.
C. correct as is

Random Topics:
First Conditional, Future Time ClausesInfinitives and GerundsGiving and Asking for AbilityFirst Conditional SentenceModifiersFamily VocabularyFigurative LanguageModal Verbs & Perfect InfinitiveWill and Will notFamily Vocabulary and GrammarOther quiz:
Vocabulary › ViewMia had to _______ a goal for herself and work towards it. She felt that it would help her _______ a happy life.
A. set, lead
B. meet, live
C. put, make
D. take, work
Adjectives & Adverbs › View
Identify the adverb in the sentence: “She spoke softly to avoid waking the baby.”
A. She
B. spoke
C. softly
D. avoid
Vocabulary › ViewThe meaning of take to…
A. to chase someone or something
B. to decide or arrange to delay an event.
C. to remove something without permission.
Vocabulary › View
extremely important because it has a major effect on
A. useless
B. vital
C. significant
D. minor
