GrammarQuiz.Net > Modal Auxiliary Verb
You …… sit the exam. It’s optional.
A. Don’t have to
B. Mustn’t
Degrees of ComparisonConditional Sentence Type 0, 1, 2, 3 Conditional Sentence Type 3
How to use : Read the question carefully, then select one of the answers button.
Tips : If this page always shows the same questions, make sure you correct the question first by pressing the "check answer" button.