[ 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

Random Topics:
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:
Modal Verbs › ViewHe _ go to the library to borrow some books.
A. should
B. can
C. must
Come vs. Go › View
We hope you can … to our wedding.
- come
- go
Vocabulary › View
Synonym:
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
