[ 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:
Reported Speech › ViewMary: “I have three cars.”
A. Mary said (that) she has three cars.
B. Mary said (that) she has had three cars.
C. Mary said (that) she had three cars.
Grammar › View
Is ______ easy for foreigners to use chopsticks?
A. this
B. that
C. it
D. they
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
