[ Modal Verbs ]
We _________________ protect the environment.
A. Mustn’t
B. Must
Select your answer:
Random Topics:
GerundsHave as verb and auxiliaryGerund - to Infinitive Modal AuxiliaryPresent Perfect TensePerfect TensesPhrasal Verb & Prepositional Phrasemust/shouldPast Tense & Past Continuous TenseTenses and Time MarkersOther quiz:
Adjective vs. Adverb › ViewHe ate his dinner very ___.
A. Quick
B. Quickly
Vocabulary › View
Choose the word that best completes the sentence. People wear a ring on their left hand as a _____ (n) that they are married.
A. majority
B. navigator
C. twilight
D. symbol