[ Grammar ]
It has been____ proven that babies can’t produce tears in the first week.
A. Science
B. Scientist
C. Scientific
D. Scientifically

Random Topics:
Demonstrative PronounSimple PresentWill vs Verb InfinitivesArticles & PrepositionPersonificationModals, Conditionals, and Clauses- Defining, Non-definingSubject Verb Agreement; Indefinite PronounsConjunctions - Conjunctive AdverbsConditional Sentence Type 2 and Type 3ModalOther quiz:
Vocabulary › ViewHow long is a ‘meter’?
A. 100 centimeters
B. The day before tomorrow
C. The highest part
D. He gave her a ______ gift.
Irregular Verb › View
Porhong has _______ every letter his girlfriend has ever written him.
A. keeped
B. kept
C. keepen
D. kepd
Present Simple & Continues › ViewThey ________________ play at home, they play in the school
A. doesn’t
B. don’t
Past and Perfect Tenses › View
We ______ (build) a sandcastle at the beach yesterday.
A. build
B. built
C. have built
