[ Grammar ]
Police officers must learn to react quickly in dangerous situations, ___ they risk serious injury
A. otherwise
B. unless
C. provided
D. if

Random Topics:
Prepositions Of PlaceNo Excuse Words / Conjunction SODEGREE COMPARISONPresent Perfect & Past Simple TenseIndefinite and Reflexive Pronounsand, so, but, becauseVocabullary TestGrammar / PronounsPresent Perfect SimpleWill vs Verb InfinitivesOther quiz:
Idioms › ViewDon’t trust him. He always makes ___ stories.
a. up
b. out
c. after
Tenses › View
Please, call me as soon as you _____________.
A. will arrive
B. are going to arrive
C. are arriving
D. arrive
Prepositions › ViewWhat type of verb is the underlined word? The audience will be stunned by the events of the games.
A. Helping Verb
B. Linking Verb
C. Action Verb
Present Tense › View
I _______________ good grade every semester.
A. good
B. get
C. gets
D. gotten
