[ Grammar ]
Robert Ballard invented an underwater robot. Which ones are the nouns?
A. Robert Ballard, robot
B. Robert Ballard, underwater
C. invented, robot
D. Robert Ballard, invented

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Adjectives & PrepositionSynonymBe used to vs used toModals "Should"Passive Voice & Tenses-ed/-ing AdjectivesSimple Past - Irregular VerbsPhrase or ClauseConditional Sentences Type I, IIConditional Sentences and Verb FormOther quiz:
Infinitives and Gerunds › ViewI hope to start __________ as soon as I’m seventeen.
A. driving
B. to drive
Grammar › View
Selina and Pramilla __________ all the time in class.
A. talks
B. talk
C. talking
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I’m leaving now, I ____ call you when I get there.
A. will
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Modals and Modal Perfects › View
We didn’t have to study for the test.
A. We forgot to study.
B. We were prepared for the test.
