[ Vocabulary and Phrases ]
Rush hour is the time when ______.
A. most people are sleeping
B. traffic is the busiest
C. streets are empty
D. buses stop running

Random Topics:
Comparison & Modal Verbs in Passive VoiceGrammar - must & have toThere is, There are, Some, AnyPast Perfect & Past SimpleLinking Words and PhrasesGerundContinuous TenseUnreal ConditionalsTenses and Sentence CompletionAsking for and Giving OpinionOther quiz:
Modals › ViewCould / Must I please take two days off for my sister’s wedding?
A. could
B. must
Modal Verbs › View
Excuse me, do you think you ______________ possibly open the window?
A. shall
B. could
Grammar › ViewPeter _____ save his money if he wants to retire.
A. had better
B. was able to
C. was going to
D. was unable to
Modal Verbs of Possibility › View
The lights are off in the office. The workers ___ still be there.
A. must
B. might
C. can’t
D. could
