[ Modals ]
You ____ sleep in class!
A. can’t
B. mustn’t

Random Topics:
Infinitives for reasonsMust Vs Have toSentence CompletionPresent Simple Affirmative and NegativeModals - Have to or ShouldNoun, Adjective, and Adverb ClausesGrammar and Passive VoiceWill vs Verb InfinitivesModal VerbsRelative PronounsOther quiz:
Infinitives › ViewWe found it very difficult _____ with Gamma.
A. to work
B. work
C. working
D. worked
Idioms › View
Why do I always have to ___ over backwards to please him?
a. turn
b. move
c. bend
d. go
Find the masculine gender of ‘witch’.
A. ram
B. vixen
C. wizard
D. waiter
Vocabulary and Modals › View
Marc got injured while playing football. He is in a wheelchair, so he probably broke a ________ in his leg.
A. muscle
B. ligament
C. bone
D. pain