[ Modal Verbs ]
You … be quiet when you’re in the library.
A. must
B. mustn’t
C. should
D. shouldn’t

Random Topics:
Have to/Has toPrepositions of Place and TimeSimple Present Tense vs Present Continuous TenseTime Clauses of FutureAcademic VocabularyFuture SimpleModals and Past ModalsPerfect Tenses and VocabularyAsking & Giving OpinionZero ConditionalOther quiz:
Wh - Questions › View…….subjects does he have today? – English, Math and Art.
A. What
B. When
C. Why
D. Where
Lay vs. Lie › View
Knives, dessert spoons, and forks have been … on the dinner table.
(a) lain
(b) laid
Where … you last night?
A. were
B. was
C. have
D. has
Grammar › View
The present ______ is on the table is beautiful.
A. who
B. whom
C. whose
D. which
E. when
