[ Modal Verbs and Vocabulary ]
They _______ know the answer, but I’m not sure.
A. must
B. might
C. can’t
D. mustn’t

Random Topics:
GerundConjunctive AdverbConjunctions - ConnectorsModals "Should"Degree of ComparisonGrammar (want to/ need to/ have to)Phrase and ClauseAdverb Identification, Function, and FormationGrammar - Place and MovementSentence Structure and PunctuationOther quiz:
Active & Passive › ViewChange from active to passive:
The teacher punishes the students.
A. The students will be punished by the teacher.
B. The students were punished by the teacher.
C. The students are punished by the teacher.
Grammar and Vocabulary › View
Most people in the town……………..the idea of Green and Clean city.
A. approve
B. agree
C. believe
D. support
Present Simple, Present Continuous or Present Perfect › ViewHe______ (do) his homework at the moment.
A. is doing
B. does
C. has done
Grammar › View
Miranda says there are many _____ in her neighborhood.
A. dog
B. dogs
C. doges
