[ Modal Verbs ]
You ………… speak politely to teachers.
A. must
B. mustn’t
C. should
D. shouldn’t

Random Topics:
Passive Voice - Past SimplePreposition of TimeModalsFuture Perfect vs Future Continuous-Ing and Infinitive Verb PatternsCOUNT - NONCOUNT NOUNSArticle the or zero article (-)Countable - UncountableVOCAB & GRAMMARAction, Helping & Linking VerbsOther quiz:
Grammar › ViewThe children are staying indoors today, I don’t want to risk them ___ a cold just before our vacation
A. Catch
B. To catch
C. Catching
Grammar › View
They ____ books every day.
A. are reading
B. read
C. reads
Tenses › ViewAllen was doing the dishes ______.
A. now
B. at 8:00 pm yesterday
C. yesterday
D. in the past
Expressing Obligation and Modals › View
You …. use a telephone in class.
A. must
B. must not
