[ 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:
Adjective › ViewShe is good at creating _________ paintings.
A. interesting Vietnamese new square
B. square Vietnamese new interesting
C. Vietnamese interesting square new
D. interesting square new Vietnamese
Grammar › View
What do you regret the most about school?
A. I really wish I hadn’t cheated in a test.
B. I wish I could learn to draw properly.
C. I should have been studying literature.
D. I ought to do more homework.
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