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

Random Topics:
Pre-intermediateAdjective / Noun + to InfinitiveComparisonGerunds and TensesFuture TensesNeither/Either/All/NoneGerunds as objects of prepositionZero Conditional SentenceConditional SentenceUnreal Uses of Past TensesOther quiz:
Grammar › ViewThe candy bar came in pieces so that it ___________ easy to share with friends.
A. would be
B. will be
C. had been
D. be
Grammar › View
____________________________________ Justice League last year?
A. Have you watched
B. Did you watched
C. Did you watch
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
