[ 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:
Grammar › ViewWhen was he late?
He was late _______.
A. yesterday
B. tomorrow
C. next period
D. in an hour
Subject – Predicate › View
Neither the plates nor the serving bowl on that shelf.
A. Goes
B. Go
We 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
