[ Grammar ]
My mother has to measure blood __________ every month
A. billboard
B. pressure
C. earplug
D. carbon

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Let & Be allowed toVerb TensesPrepositions of Time & PlaceModal Verbs & Time PrepositionsTypes of Sentence StructuresGerund and To InfinitiveAdverb Clause ConnectorEnglish for TourismReflexive pronounsPronounciation and GrammarOther quiz:
TOEFL › View_______________ in several early civilizations, a cubit was based on the length of the forearm from the tip of the middle finger to the elbow.
A. It was used as a measurement
B. A measurement was used
C. The use of a measurement
D. Used as a measurement
Perfect Verb Tenses › View
Identify the perfect tense in the following sentence: “I have never seen such a beautiful sunset.”
A. Present Perfect
B. Past Perfect
C. Future Perfect
D. Simple Present