[ Grammar ]
A strange thing _____ while we were waiting.
A. happens
B. happened
C. happening
D. happen

Random Topics:
Grammar - Verb FormsModals and Past TensesPronouns, Sentence Structure, and ApostrophesA/AnTypes of Sentence StructuresThe Structural Types of SentencesPassive Voice & TensesAdjective / Noun + to InfinitivePassive VoicesVerb PhrasesOther quiz:
Grammar › ViewI ______________ you leave the bar because I _________.
A. didn’t see / danced
B. didn’t see / was dancing
C. wasn’t seeing / was dancing
Tenses › View
The homework ___ (to check) by the teacher before the students handed it in. — Use Past Perfect Tense.
A. had been checked
B. is checked
C. was checked
D. will be checked
Grammar › View. Which of the following words is a noun?
A. Run
B. Beautiful
C. Happiness
D. Quickly
Grammar › View
You ___ call your parents and tell them where you are.
A. should
B. mustn’t
C. can’t
D. can
