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

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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:
Conditionals III - Mixed 1st, 2nd & 3rd Conditionals › ViewNo one … the truth if Dan hadn’t revealed it.
A. would have know
B. would have knew
C. would know
D. would have known
Conjunctions and Commas › View
Gabriel ran fast, _________ he still did not win the race.
A. and
B. so
C. but
D. if
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