[ Grammar ]
I ___ a mountain once.
A. have climbed
B. climb
C. has climbed
D. climbed

Random Topics:
Future PassiveVerb BEBe used to vs used toMixed Present TensesPrepositions and Prepositional PhrasesSimple Future TensePresent Perfect vs Past SimpleTenses and ComparisonsGrammar for TOEFLGrammar: is/are/was/wereOther quiz:
Modal Verbs and Gender Nouns › ViewThey ___ at the school last week.
A. was
B. were
C. couldn’t
D. could
Present Continuous Tense › View
–“Is this raincoat yours?”
– “No. mine there behind the door.”
A. is hanging
B. hangs
C. am hanging
Present Continuous › ViewWe …. now.
A. not are study
B. is not studying
C. not are studying
D. are not studying
Mixed General Quiz › View
Most drugstores sell snakebite ___.
a. anecdote
b. antidote