[ Grammar ]
Bruno watched TV _____ his brother was having his teeth cleaned.
A. since
B. unless
C. while
D. before

Random Topics:
State Verbs and Action VerbsPrepotitionsArticle the or zero article (-)Narrative Tenses & ConditionalsCan vs be able toWho vs WhomGerunds, Infinitives and Modals of Possibilitygoing toFuture Continuous, Future Perfect and Future Perfect ContinuousGrammar: so and suchOther quiz:
Subject Verb Agreement › ViewIn the stadium, the crowd ____ wildly.
A. cheers
B. cheer
Conjunction › View
There is a good movie ___ television tonight.
a. on
b. in
c. at
