[ Grammar ]
Which is the complete subject of the following sentence?
The white blood cells in your blood fight disease.
A. The white blood cells
B. The white blood cells in your blood
C. The white blood
D. The white blood cells in your blood fight

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Clause Markers TOEFL GrammarAction, Helping & Linking VerbsQuestion tag and + - AgreementSentence Fragments and Complete SentencesBe going to / WillThe Past SimpleConditional Sentence Type 1Conditional SentenceNoun Verb AgreementParts of SpeechOther quiz:
Prepositions › ViewChoose the correct answer.
The book is divided ________ three parts.
A. to
B. in
C. into
D. for
Modal Verbs › View
An action is not a good idea (Advice not to do something)
A. must
B. mustn’t
C. should
D. don’t have to
Vocabulary › ViewThe ______________ is the setup to which you will compare all the others.
A. control
B. experiment
C. scientific method
D. variable
Grammar › View
She likes_____the internet in her free time
A. doing
B. surfing
C. surf
D. to surf
