[ Phrasal Verbs ]
Scientists have recently …………….. research on blood lead levels of athletes.
A. carried out
B. found out
C. narrowed down
D. resort to
Select your answer:
Random Topics:
Conditional Sentence Type 0, 1, 2, 3 Adverb of Manner Countable NounArticles & PrepositionAdverb of TimeSimple Past TenseAsking & Giving OpinionConjunctionsNouns as Adjectives
Other quiz:
Vocabulary › ViewIt’s a good idea to see your doctor regularly for a(n) .
A. revision
B. control
C. investigation
D. check-up
Gerund/ To Verb/ Verb › View
They learn ………. English very quickly
A. to speak
B. speaking
C. speak
How to use : Read the question carefully, then select one of the answers button.