[ Vocabulary ]
An ______________ is a procedure carried out to carefully observe, study or test something in order to learn more about it.
A. investigation
B. science
C. observation
D. evidence

Random Topics:
Comparative and SuperlativesPast PassiveConjunction: Because and SoPunctuating ClausesTypes of Simple SentencesSimple Past Tense and Present Continuous TenseWh- Questions Present Simple TenseLinking VerbsToo or EnoughGrammar & TensesOther quiz:
Present and Past Tenses › View. I (watch – watches – watching) TV every day.
A. watch
B. watches
C. watching
Homonyms › View
She fastened the leather belt around her slender ___.
a. waist
b. waste
She tasted the green tea egg tart.
- action verb
- linking verb
Tenses › View
She ____ a deposit at this time next week.
A. will be making
B. makes
C. is making
D. made
