[ Tenses ]
They ___ (to study) for two hours.
A. study
B. have been studying
C. studies
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Modal ProbabilityGrammar and Verb TensesPresent, Past, and Future TimeModals and Modal PerfectsPresent Perfect Tense and Simple Past TenseGrammar - must & have toAdjective ClauseGrammar PhrasesPassive Voice Active VoiceConditional and Mix Conditional SentenceOther quiz:
Vocabulary › ViewI had to leave class early as it …………………… with my interview at the university.
A. overlap
B. overlaps
C. overlapped
Grammar › View
__________ verbs are verbs that link a subject to the rest of the sentence.
A. Action
B. Helping/Auxiliary
C. Linking
TOEFL Grammar › ViewWe have only another five minutes. I think we _____.
A. hurry
B. be hurry
C. to hurry
D. should hurry
Grammar & Vocabulary › View
The weather was cold and __.
A. damp
B. wet
C. rainy