[ Grammar ]
Mr. Slade had been surfing and ____ off his board by a huge wave.
A. knocked
B. had been knocked
C. was knocking
D. was being knocked

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Comparison Degree & GerundsAsking and Giving SuggestionWh-QuestionNoun and Modal VerbsPreference & Future TenseTenses - Irregular VerbsTransitional WordsMesopotamia VocabularyIdiom and TensesGrammar: Reported QuestionsOther quiz:
Modal Verbs › ViewWe ___________ always read the small print on every contract.
A. must
B. can
C. may
Vocabulary › View
I ___ how hard the race was,so I was very tired at the end.
A. under estimated
B. estimate
C. shift
Vocabulary › Viewin the essential nature of a thing
A. Referent
B. Inherent
C. Adherent
D. Incompatible
Passive Voice › View
My car ………. by my friend.
A. hasn’t repaired
B. haven’t repaired
C. wasn’t repaired
D. weren’t repaired