[ Adjective & Adverb ]
When _______grapes are ripe, they must be harvested.
A. a
B. an
C. the
Random Topics:
Modals of AdvisabilityGrammar: is/are/was/werePast Simple & Past PerfectVerbs + Gerund or InfinitiveNoun QuantifiersGrammar AssessmentPresent Simple Tense PassiveGive, do and makeSimple Past Irregular & NegativeGrammar and EssayOther quiz:
Grammar › View” Have you been married for long? ”
“Next summer, I ____ for ten years. ”
A. have been married
B. have been marrying
C. will have been married
D. will have been marrying
Future Tenses › View
I _____ this book for tonight’s classes.
A. am going to use
B. am using
Conjunction › ViewWhy _____ he want to learn English? – Because he wants to talk to foreign friends.
A. do
B. does
C. is
D. are
Quantifiers › View
There are …………… exercises in GrammarBank.
A. many
B. much
C. a lot of/ lots of