Topics: Complex Sentences with Adverb Clauses
We were planting trees ________ our friends were collecting rubbish.
A. after
B. as soon as
C. when
D. while
Select your answer:
Random Topics:
Grammar TOEFLGrammar-Verbs & Nouns Singular, Plural, GenderAuxiliary WordsSimple Present Tense with Adverb of FrequencyPerfect Verb TensesRegular Plural NounsState Verbs and Action VerbsPerfect and Past TenseGrammar and StructureDefinite and Indefinite ArticleOther quiz:
Vocabulary › ViewRose was __________ about the poor working and safety conditions until it was too late.
A. elated
B. frivolous
C. indifferent
Grammar › View
Friday afternoon, Abe asks: May I pick you up at 6 pm?
A. obligation
B. certainty
C. polite request
D. advice