[ Present Perfect Simple vs Continuous ]
They __________ (discuss) the project for hours.
A. have discussed
B. have been discussing

Random Topics:
Demonstrative PronounsSubordinating ConjunctionCountable and UncountableReported Speech and Reported QuestionsHow much or How many?Tenses StructureParallel Structure or Combining SentencesAdverbial Clauses of Reason / CauseGrammar and Sentence StructureDemonstrative Pronouns and Verb TensesOther quiz:
Grammar › ViewChoose the correct sentence
A. The toys’ of the children are all over the floor.
B. The childrens’ toys are all over the floor.
C. The children’s toys are all over the floor.
D. The children’s toys’ are all over the floor.
Grammar › View
If you could make a decision again, what _______ you choose?
A. will
B. would
Adverbs and Adverbial Phrases › ViewThey usually go at the end of a sentence or clause.
A. Adverbs of manner
B. Adverbs of frequency
C. Adverbs of time/place
D. Adverbs of degree
E. Comment adverbs
Grammar › View
In my opinion, what makes people happy is hard ………. tell.
A. for
B. from
C. in
D. to
