[ Modals ]
If you must do something, then it is….
A. obligatory
B. optional
C. unnecessary
D. prohibited

Random Topics:
Conditional TensesGrammar and ReadingGrammar (either..or.. and neither..nor..)Auxiliary VerbsVerb + PrepositionDeterminersSubject and Verb Agreement-Ing and Infinitive Verb PatternsGerunds/InfinitivesTenseOther quiz:
Simple Present Tense › ViewThe teacher_____ the students in class.
A. Teaches
B. Teach (cái này nè chọn đi)
C. is teaching
Grammar › View
It took me _____ hour to finish the homework.
A. a
B. an
C. the
D. –
Who vs Whom › View___ are you dunking over in that video of your college basketball game?
A. who
B. whom
Relative Clauses › View
Tell me the reason ____________ you were absent yesterday.
A. why
B. when
C. where
D. that
