[ 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 › ViewWhen did you go to that restaurant?
a. Spaghetti.
b. With Jane.
c. Last night.
d. About 30 minutes.
Grammar › View
The latest poll shows a marked increase in student dissatisfaction.
A. Fact
B. Opinion
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
