[ Modals for Obligation ]
He works in a call-centre and he sometimes _____ work at night.
A. should
B. has to
C. must
D. shouldn’t

Random Topics:
Past Perfect Simple TensePassive Voice - Past SimpleConjunctions, Prepositions and InterjectionsReported SpeechTypes of Simple SentencesComparisonConditional Sentences Type I, IIGrammar SuffixesFirst Conditional, Future Time ClausesStative Verbs and TensesOther quiz:
Grammar › ViewTime phrases with present simple.
A. later, tomorrow.
B. at the moment, right now
C. never, sometimes, usually.
Modal Verbs › View
We … play volleyball. It’s fun.
A. can
B. must
C. should
Question Tags › ViewYou haven’t been to London, ___?
a. have you
b. are you
c. do you
Vocabulary › View
The correct meaning for faith…
A. strong belief in religion os principles
B. determined or strong
C. making the most noise
D. policy or action
