[ Grammar ]
The patient will not recover unless he __________ an operation.
A. had undergone
B. would undergo
C. undergoes
D. was undergoing
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Definite and Zero ArticleConditionals / Unreal PastCohesive DevicesGrammar : can, could and be able toPast Simple or Past ContinuousPrepositions & Prepositional PhrasesBare Infinitive and To InfinitiveGrammar - Present Perfect with for and sinceModal VerbActive & PassiveOther quiz:
Grammar › ViewCan you tell me ……………..to put these boxes?
A. where
B. when
C. which
D. who
Tenses › View
I had been the teacher some years ago
A. Past Perfect Tense
B. Simple Past Tense
C. Simple Present Tense
D. Simple Future Tense
Indefinite and Reflexive Pronouns › ViewAstronauts train ______ to live in zero gravity.
A. himself
B. themselves
Grammar and Vocabulary › View
S’tieng is ___________ ethnic group living mostly in ___________ southern provinces of Vietnam.
A. a/ –
B. the/ a
C. an/ the