[ Subjunctive ]
It is necessary that children __________ of their old parents.
A. takes care
B. to take care
C. take care
D. took care

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Modal Verbs for Permission and ObligationPast Narrative TensesSome & AnyVocabulary & Phrasal VerbGrammar and Verb TensesPreposition and ConjunctionVerb PatternsPresent TensesHave to/Has toPresent tense AffirmativeOther quiz:
Infinitives and Gerunds › ViewShe keeps ___ about her future plans.
A. to talk
B. talking
Modals of Advice › View
A: My tooth hurts. …?
A. Should I go to the dentist?
B. Should I to go to the dentist?
C. I should go to the dentist?
Grammar › ViewKim Seng is the ______________ boy in his class.
A. handsome
B. more handsome
C. most handsome
D. as handsome as
Grammar › View
Which verb has the final sound: /iz/
A. makes
B. washes
C. decides