[ Past Tenses ]
I ……. him since we …. at a math camp.
A. known, met
B. have known, met
C. know, have met
D. have known, have met

Random Topics:
Present Perfect and Past TensesModal RequestsWill and Will notPerfect and Past TensesPast ModalsArticles & QuantifiersTo Infinitive/Bare Infinitive/GerundsHave vs. HasMixed GrammarNoun and PronounOther quiz:
Adjective › ViewCar racing is the _____ game.
A. A. dangerous
B. B. more dangerous
C. C. most dangerous
Adjectives and Prepositions › View
We spoke _______ the teacher.
A. to
B. for
C. on
D. from
Grammar › ViewComplete the sentence with the adjective that describes how many.
______ kids want to try out for our team this year.
A. Fewer
B. New
C. Lazy
D. Talented
Some vs. Any › View
The lesson is over. Do you have …………… questions ?
A. Some
B. Any
