[ Tenses ]
Complete the sentence: My eyes are tired because I _____ on this computer all day.
A. worked
B. have been working
C. work
D. had been working

Random Topics:
Present Perfect vs Past SimpleAdjectivePast simple - Irregular VerbsPresent Simple vs Past SimplePresent Simple QuestionsGerund, Infinitive & ModalsAdjectives & PrepositionsFirst ConditionalsVerb, Object, PrepositionConjunctions and ConnectivesOther quiz:
Sentence Structure › ViewWhich of the following sentences is correctly structured?
A. Because she was late to class.
B. After the movie ended, we went to dinner.
C. If you think about it.
D. While the rain poured outside.
Grammar › View
Sarah ……………….(constantly make) a mess in the kitchen!
A. makes
B. is making
