[ Grammar ]
Most tomatoes…………………. from green to red when they are ripe.
A. change
B. changes
C. changed
D. changing

Random Topics:
Vocabulary and TensesComparison DegreePast Perfect SimpleGrammar - NounsPhrases and ClausesModals and VocabularyTime ConjunctionsPassive Voice - Past SimpleNoun Verb AgreementConjunctions and PronounsOther quiz:
Modal Verbs and Permission › ViewWhat is the correct refusal: ‘No, you________ use my computer right now.’
A. may
B. can’t
C. could not
D. may not
Grammar › View
The correct contraction of ( we are ) is …………..
A. We’re
B. We’ar
C. We’are
Conditional Sentences › ViewIf my client _______ me her fax number, I _______ to post a letter to her
A. gave/ will not have
B. will give / do not have
C. had given / wouldn’t have had
D. had given / will not have had
Present Tenses › View
Look! Minh ____ on stage. She looks so beautiful.
A. sings
B. are singing
C. is singing
D. sang
