[ Present Perfect Simple & Present Perfect Continuous ]
The scientist ___ their research yet
A. haven’t finished
B. haven’t been finished
Select your answer:
Random Topics:
Conditionals / Unreal PastPast Perfect & Past SimpleTenses and ModalsAnalogyVerb Tenses and Sentence StructurePast TensesPerfect ModalsModals and Present TensesFirst and Second ConditionalAlthough, Though, In spite of, DespiteOther quiz:
Adverb Types and Tenses › ViewIdentify the correct past tense verb:
A. Eat
B. Eats
C. Eating
D. Ate
Modal Verbs & Time Prepositions › View
Form a sentence incorporating a modal verb and a time preposition.
A. He should arrive by 7 AM.
B. You can meet me at 3 PM.
C. She can go after 5 PM.
D. I will leave before 9 PM.