[ Present Perfect Tense ]
The scientist __________________ more than half of the liquid into the 2nd flask (container).
A. Has pouring
B. Have pour
C. Has poured
D. Has pour

Random Topics:
Prepositions and TensesModal Verbs and Contrastive ConjunctionsPast SimpleNouns as AdjectivesEnglish ArticlePresent, Past, Present Perfect and ComparativePresent Simple with Adverbs of FrequencyPerfect Tenses and VocabularyModals, Conditionals, and Clauses- Defining, Non-definingModal RequestsOther quiz:
Relative Clause › ViewThe woman _____ daughter was crying tried to calm her down.
A. Whom
B. Which
C. Whose
D. Who
Prepotitions › View
married
A. to
B. with
C. of
Fragment, Comma Splice and Run -on Sentence › ViewFell down the stairs.
A. complete sentence
B. sentence fragment
Grammar › View
If they ____(not) improve the bike lanes, people will continue to travel by bus or by car.
A. don’t
B. won’t