[ 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 › ViewHamid : Do you know where the nearest bus stop is?
Hana : …
A. It’s inside that building.
B. It’s between two rooms.
C. It’s only a five-minute walk.
D. Go ahead and then turn right.
E. Oh, it’s very easy
Grammar › View
The boy are not ready, but the dog has been patiently waiting.
A. Change are to is.
B. Remove the comma after ready.
C. Change has to have.
D. Make no change.
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