[ Grammar ]
Children should brush their ___.
A. tooth
B. teeth

Random Topics:
Present Perfect Continuous TensePresent & Past TensesModals of DeductionNouns - Word Form-IONMixed ConditionalTime ConjunctionsThe First Conditional SentencePhrasal Verbs and GrammarPrepositions and Preposition PhrasesSentence TransformationOther quiz:
Grammar › ViewIn a formal interview, it is essential to maintain good eye with the interviewers.
A. link
B. connection
C. touch
D. contact
Grammar › View
Which of the following is an uncountable noun?
A. sand
B. water
C. air
D. sugar
Grammar › ViewZhen Xuan ______ to eat ice cream.
A. like
B. likes
Grammar › View
A snake __________ run.
A. is
B. am
C. can
D. can’t
