[ Present Perfect Tense ]
Andy and Den ……. (to discuss) the plans for their winter holidays for two hours now.
A. have discussing
B. has been discussing
C. have been discussed
D. have been discussing

Random Topics:
Infinitive GerundEs and SIF CLAUSEGrammar RulesFood VocabularyCoordinating and Subordinating ConjunctionsAdverbsGrammar: Simple Past and Past ContinuousSentence Structure and Grammar RulesPast TensesOther quiz:
Vocabulary and Grammar › ViewThere is a planetarium wing _ the science museum. I always go there whenever I visit the museum.
A. in
B. on
C. into
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Present Perfect Tense › View
A beautiful girl has ….. Me a cake
A. making
B. made
C. meant
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A. Before
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C. Off
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Verb Form › View
I enjoy ___________ gourmet meals.
A. cooked
B. be cook
C. cook
D. cooking