[ Grammar ]
pur since or for: ______last weekend
A. since
B. for
Select your answer:
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VOCAB & GRAMMARUsed to & would & Past SimpleTenses: Present simple, Past Simple, Future SimpleInversion + Passive VoicePresent Tense (Negatives and Questions)Grammar: Defining Relative ClausesTOEFLBecause / soModals of Obligation & Prohibition1st & 2nd ConditionalsOther quiz:
Grammar › ViewAfter many years of unrestrained carbon emissions, many scientists believe we are on the _____ of an ecological catastrophe.
A. Precipice
B. Fated
C. Access
D. Reprieve
Verbs + Gerund or Infinitive › View
They have offered ________us with the project.
A. help
B. helping
C. to help