[ Present Perfect Tense ]
they ….. the letter for ten minutes.
A. have written
B. have write
C. have wrote
D. have writing

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Pre-intermediateAdjective / Noun + to InfinitiveComparisonGerunds and TensesFuture TensesNeither/Either/All/NoneGerunds as objects of prepositionZero Conditional SentenceConditional SentenceUnreal Uses of Past TensesOther quiz:
Basic Grammar › View____ is the Olympic Stadium? It´s in Montreal.
A. When
B. Where
C. Which
D. Who
Grammar › View
It is the first time she….. to Venice
A. traveled
B. has travelled
C. would travel