[ Grammar ]
Many traffic accidents……by dangerous driving.
A. Cause
B. Caused
C. Are caused
D. Which are caused

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Past Tense, Recount Text, and Future TenseVerbs with Prepositions and ConjunctionsSimple Present and Present ContinuousInterrogative Pronouns & AdverbsPassive Modals, Impersonal PassiveSimple Past ContinuosPresent Forms and Narrative TensesSimple present/ past/ future tenseSimple Past TensesGrammar TOEFLOther quiz:
Grammar › ViewIt was dark and we could _____ see his face.
A. hard
B. hardly
Modals › View
Whatever you do, you ________________ touch that switch. It’s very dangerous.
A. mustn’t
B. don’t have to
C. doesn’t have to
Grammar › ViewI ……………. jump up to 3 meters.
A. can
B. may
C. should
D. must
Mixed General Quiz › View
Los Vegas is a great place to ___ but not always a place to win.
a. gamble
b. gambol