[ 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 › ViewI _________________ MY HOUSE YESTERDAY
A. CLEANED
B. CLEANS
C. CLEAN
D. CLEANING
Verb Tenses › View
Identify the tense of the underlined verb phrase in the sentence.
No one had admitted that they were tired.
A. past perfect
B. (simple) past
C. past progressive
D. present progressive
E. present perfect
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
