[ Vocabulary ]
atmosphere
A. real or imaginary line through the center of an object
B. half of the sphere of Earth
C. a blanket of gas surrounding a planet
D. an organization in the United States that directs space travel and research
Random Topics:
Conditional Sentence 0, 1Verbs with Prepositions and ConjunctionsQuantifiers / Prepositions of Time and Comparative AdjectivesTransportation VocabularyConditional TypesAspect or tenses of VerbsSimple Present and Simple PastNouns and QuantifiersSentence CompletionInfinitives or GerundsOther quiz:
Simple Past Tense › ViewLast week our class ____ early in the morning.
A. began
B. begin
C. begun
D. beginned
Definite & Indefinite Pronoun & Conditionals › View
If people used cars less, the air … much cleaner.
A. would be
B. would have been
C. will be
D. was