Choose the correct option.
A. We use musn´t when we want say that something is not needed, it is optional.
B. We use don´t have to when we want say that something is not needed, it is optional.

Random Topics:
PRESENT SIMPLE - CHILDRENSubject/Verb Agreement with Collective NounsVerbals and GerundsConditional Sentence Type 2Future Tenses, Conditionals and ProfessionsModals and PhrasesCompound and Complex SentencesFuture or PastSubordinating Conjunctions and ClausesSentence StructureOther quiz:
How much and how many › ViewHow ___ hours do you sleep?
A. Many
B. Much
Phrasal Verb › View
The New product has to …….. Various stages of testing and checking before it is introduced into the market.
A. Breakdown
B. Get off
C. Go through
D. Run over
Subordinating Conjunctions › ViewIdentify the subordinating conjunction in the following sentence: ‘I will call you when I arrive at the airport.’
A. when
B. and
C. because
D. if
Subject – Predicate › View
Identify the sentence that contains a compound predicate.
A. Carpenters and construction workers arrive early to the work site.
B. It takes many people to complete a building project.
C. The project coordinator is the executive officer of the company.
D. An architect designs the building and prepares the blueprints.
