[ Grammar ]
The bell ______ every 30 minutes.
A. ring
B. rings
C. rang
D. ringing

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Vocabulary & Phrasal VerbInfinitive and GerundsTo infinitive - GerundSubjunctiveAlthough / DespiteTenses and FoodCountable & Uncountable Nounsa, an, the, zero articleTransitive or Intransitive VerbsPast Continuous Tense & Past ModalsOther quiz:
Grammar › ViewFifi will be extremely happy on her birthday.
The subject is _________________.
A. Fifi
B. Extremely
C. Happy
D. Birthday
E. None of the above
Grammar › View
bunch. is?
A. Common noun
B. Proper noun
C. Collective noun
D. Material noun
Present Perfect and Present Perfect Progressive Tenses › ViewShe ___ (finish) her homework already.
A. has finished
B. have finished
C. is finishing
D. finished
Subject Verb Agreement › View
______ enjoy gentle exercises.
A. We
B. He