[ 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 › ViewWait! There’s someone at the door. I _____ the door for you. (to open)
A. will open
B. open
Grammar › View
We……… that we had to give in our homework on Tuesday.
A. were told
B. told
C. had told
D. were telling
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