[ Modal Verbs ]
It expresses obligation.
A. Can
B. Should
C. Must
D. May

Random Topics:
Conditional Sentence 0, 1Present Perfect: for/sinceAdverb PhrasesModal "Have to"Present Simple/AffirmativeGerunds/InfinitivesRelative Clauses and Past PerfectGrammar (Adjectives)Conditional TypesPresent Perfect Simple and ContinuousOther quiz:
Grammar › ViewWhat _______ Nick and his brother _______ the day after tomorrow?
A. do / doing
B. is / doing
C. will / do
D. did / do
Grammar › View
The manager _____ to see you right now because she’s in a meeting.
A. isn’t able to
B. is able to
C. was able to
D. has been able to
Tenses › ViewShe ______ (enjoy) cooking Italian food every weekend.
A. enjoys
B. is enjoying
C. enjoyed
D. will enjoy
Verbs and Adverbs › View
This is the teacher who also _________ my father, when he was young.
A. taught
B. teach
C. thought
D. teaches
