[ 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:
Grammar › ViewUp I went , slowly, as I suffer from vertigo… Kitty ………………..( look) at me from the distance as if she ………………….( enjoy) this adventure. It was her revenge for being kicked!
A. looked / had enjoyed
B. was looking / was enjoying
C. had looked / had enjoyed
Grammar - Quantiflier › View
There are —– questions but I can answer ——— of them.
A. several, many
B. many, any
C. a few, some
D. many, a few
Linking Verb › ViewShe 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
