[ Grammar & Vocabulary ]
We _______ pay attention and _______ chat when the teacher is teaching.
A. must not, should
B. must, ought to
C. ought to, must not

Random Topics:
Past Tense vs Present Perfect TenseGerunds as Objects of PrepositionsQuantifiers MixSentences and Non SentencesTenses and ArticlesMiscellaneous Grammar UsagesGrammar ElementaryComplex SentencesAnalogyVerbs and Subject Verb AgreementOther quiz:
Grammar › ViewThis maths problem is so (confusing / confused). Can you help me?
A. confusing
B. confused
Adverbial Clause of Cause and Effect › View
Sasuke has black hair ____ Naruto has blonde hair.
A. while
B. when
C. because
D. although
Future Tenses and Modals › ViewChoose the correct sentence: “We ______ (have) dinner at 7 PM tomorrow.”
A. have
B. are having
C. will have
D. going to have
Grammar › View
They ____________ home from school everyday
A. walk
B. walks
C. walking
