[ 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:
Tenses › View. What is the negative form of: ‘He plays the guitar.’
A. He is not playing the guitar.
B. He played not the guitar.
C. He does not play the guitar.
D. He does not plays the guitar.
Grammar › View
Wei Heng and I _____ karate on Thursday.
A. go
B. goes
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