The pupils ______________ when the bell ____________.
A. wrote / rang
B. wrote / was ringing
C. were writing / rang
D. were writing / was ringing

Random Topics:
Articles and DemonstrativesSubject Verb Agreement; Indefinite PronounsImperative SentencesToo or EnoughPast Simple - Present PerfectGive, do and makeDefinite ArticlesGrammar and VocabularyGrammar: SyntaxConjunctionOther quiz:
Grammar › ViewThe store —- by hundreds of people everyday, I don’t understand why my favorite book —- yet.
A. visited / hasn’t been bought
B. is visited / hasn’t been bought
C. was visited / hadn’t bought
D. is visited / hadn’t been bought
E. had visited / hasn’t been bought
Grammar and Vocabulary › View
One advantage _____ taking several mock tests before the real exam is that it builds confidence.
A. to
B. for
C. by
D. about
E. of
Grammar › ViewSpring ____ in March and ____ in May
A. comes\ends
B. is coming\is ending
C. came\ended
Grammar › View
words that start with the same beginning sound and are used repeatedly in a phrase or sentence
A. natural disaster
B. alliteration
C. hyperbole
D. divisor