[ Vocabulary ]
the act of paying careful attention to gather information; a statement based on paying careful attention to something
A. observation
B. theory
C. conclude
D. evidence

Random Topics:
Definite ArticlesPast Perfect and Past Perfect ContinuousPhrasesInfinitive GerundQuantifiers MixPast Simple, Present Perfect TenseDaily Routines & TensesTense,noun,preposition,quantityInterrogative PronounsModals and Past TensesOther quiz:
Countable Noun › ViewPlease, buy me a __________ apples for the cake
A. Few
B. Little
C. Some
The Structural Types of Sentences › View
I alone cannot change the world, but I can cast a stone across the water to create many ripples.
A. simple
B. complex
C. compound
D. compound-complex
Grammar › ViewThe children _____ near the fountain in the park
A. Have been last seen
B. Were last seen
C. was last seen
D. Had been last seen
Prepositions › View
I go __________ school everyday.
A. On
B. In
C. To
D. Under
