[ Grammar ]
Mobile phones were invented _______ the 20th century
A. at
B. in
C. on
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Conjunctive AdverbClause Markers TOEFL GrammarWould rather/ would prefer/ would likeVocabulary Spelling GrammarGrammar - may & mightIF CLAUSEDescriptionsComparison & Modal Verbs in Passive VoicePrepositions after VerbsGrammar - Wh QuestionsOther quiz:
Verb Tenses › ViewForm a negative sentence: They are happy.
A. They are always happy.
B. They are happy.
C. They are not happy.
D. They are never happy.
Grammar › View
You walk fast.
A. Dependent Clause
B. Independent Clause
Homonyms › ViewTell the ___ truth and nothing but the truth.
a. hole
b. whole
Present Simple › View
Louise ________ a pilot.
A. am
B. is
C. are