[ Mix-Tenses ]
The machine _________ down while a car _________ up the bridge.
A. broke / was moving
B. was breaking / moved
C. broke / moved
D. was breaking / was moving

Random Topics:
Grammar speak,talk,say,tellVocabulary and PrepositionsPrepositionsInfinitive and GerundWish SentencesModals in the Past - Speculation and DeductionToo or EnoughVocabulary and DefinitionsVOCAB & GRAMMARClause Markers TOEFL GrammarOther quiz:
Grammar › ViewWhat is the predicate (verb) in the sentence?
The wind has been blowing for several hours.
A. the wind
B. hours
C. several
D. has been blowing
Vocabulary › View
to assist someone do something.
A. help
B. hinder
C. obstruct
Grammar › ViewThose apples are ___________________. They aren’t cheap enough.
A. too expensive
B. expensive enough
Adjective or Adverb › View
This hamburger tastes …
A. awful
B. awfully
C. more awfully
D. as awful
E. most awfully
