[ Conjunction ]
Do you think this is something ___ can be learned?
a. who
b. that
c. X (the conjunction can be omitted)

Random Topics:
Conjunctions in Complex SentencesVerbs, Tenses, and VocabularyGrammar: Adjectives & PrepositionsArticle the or zero article (-)Have to/Has toFuture Tense (will/be going to/p.continuous)PunctuationClauses of ReasonGerund and To InfinitiveSimple Present vs Present ProgresiveOther quiz:
Grammar › ViewWe ________go on vacation in the winter because it’s cold!
A. don’t
B. doesn’t
C. do
D. does
Past Simple › View
Shirley … mathematics in a local school.
A. teached
B. teaches
C. taught
D. worked
Vocabulary › ViewThe ice cream was ______ and tasted amazing!
A. interrupted
B. aroma
C. healthful
D. luscious
Verb Tenses › View
He……………………… in an office.
A. work
B. works
C. working