_____________ is the study of the natural world and involves making observations and performing investigations.
A. investigation
B. science
C. observation
D. evidence
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Modal and Relative PhrasesFirst Conditional, Future Time ClausesPresent Simple and Continuous TenseNoun, Verb, AdjectiveSentence CompletionConditional SentencePunctuation and GrammarRequest with Modal Verbsso vs suchGerund - to InfinitiveOther quiz:
Grammar › ViewThe whole purpose of all these exercises is to ____ your knowledge of grammar and vocabulary
A. test
B. probe
C. investigate
D. interpret
Grammar › View
If the tracks that make up the New York City subway were laid end to end, they will have been stretching from New York to Chicago.
A. NO CHANGE
B. stretch from
C. stretching from
D. would stretch from
Vocabulary › ViewAccording to the weather ____________________, a warm front with occasional showers will reach us by evening.
A. frost
B. climate
C. forecast
D. lightning
E. flooded
Conjunctions › View
What coordinating conjunction is used to indicate addition?
A. And
B. But
C. Nor
D. For