[ Passive Voice ]
Modern cellular networks allow the automatic use of mobile phones. The automatic use of mobile phones…
A. is allowed
B. are allowed
C. was allowed
D. were allowed

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Modals of AdvisabilityPresent Simple and Continuous Tense1st & 2nd ConditionalsWill, Be going to, Present ContinuousParallelism and Subject Verb AgreementIndefinite PronounsModals Deduction: cant /mustSentence TypesAuxiliary VerbsComparative and Superlative AdjectiveOther quiz:
Vocabulary › ViewSynonym:
commotion, turmoil, turbulence, unrest
A. commiserate
B. nominal
C. ferment
D. wheedle
Vocabulary and Grammar › View
Grandma ___ her photos in a big metal box.
A. keeps
B. happens
C. becomes
