[ Use of Prepositions or Conjunctions ]
Government should prevent smugglers ___ their contraband.
A. to sell
B. to be selling
C. from selling
D. having sold

Random Topics:
Modal Verbs for SpeculationGrammar - could / could notIntermediate GrammarSingular and Plural NounsSimple and Continuous Present TenseQuantifierPronouns of QuantityGrammar - Present Perfect TensePassivisationTime ConjunctionsOther quiz:
Future Perfect vs Future Continuous › ViewDon’t phone me before 8 o’clock, we _______ (have) dinner.
A. ‘ll have had
B. ‘ll be having
Grammar › View
Which sentence shows the correct use of a comma?
A. I like to play Angry Birds Minecraft and Pokémon.
B. I like to play Angry Birds, Minecraft, and Pokémon.
Simple Present Tense › ViewLynn’s father watches badminton on TV, but he ____watch judo.
A. do
B. don’t
C. does
D. doesn’t
Vocabulary › View
to push or thrust quickly
A. artillery
B. taut
C. plunge
D. fray
