[ Vocabulary ]
A gas that is expelled from the body by the respiratory system.
A. nitrogen
B. mercury
C. carbon dioxide
D. oxygen
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Definite and Indefinite ArticleSimple Compound and Complex SentencesBare Infinitive and To InfinitivePast Tense vs Present Perfect TenseActive-Passive VoicesSpeech TensesFuture Tense and ConditionalsWh- Questions Present Simple TenseSubject and Verbs AgreementGerund, Infinitive, Bare VerbOther quiz:
Vocabulary › ViewThe dance rehearsal will begin promptly at 8:00 p.m.
Rehearsal means:
A. Private performance
B. Private session
C. Private act
D. All of the above
Grammar › View
They find them confusing because they are not ” pictures”
The underlined word is……………..
A. Adjective
B. Adverb
Grammar › ViewI think I ________ a new calculator. This one does not work properly any more.
A. need
B. am needing
C. needed
D. needing
Grammar › View
He usually takes the bus, but these days he ___________ his car.
A. drive
B. driving
C. is driving