[ Grammar ]
The planets are roughly Jupiter-size, the researchers estimate, but their orbits are much ________ out, at 12 billion and 21 billion kilometers.
A. farther
B. further

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Grammar - must & have toMaritime Vocabulary and GrammarArticles and NounsSentence and FragmentGrammar ElementaryDo not or Does notSubject Verb Agreement; Indefinite PronounsMixed TensesPerfect Tenses of VerbsGrammar - TOEICOther quiz:
Grammar › ViewWhat is a group of words that does not contain both a subject and a verb?
A. Clause
B. Fragment
C. Phrase
D. Sentence
Vocabulary › View
It’s important to ______ during the benjamin teacher if you want to comprehend the color topic.
A. recall
B. include
C. pay attention
D. bias
Conditionals › ViewI’m sure you’ll pass the exam as _____ as you study hard.
A. short
B. long
C. providing
D. condition
Conjunction › View
The florist delivered red roses ________ the customer wanted pink ones.
A. but
B. because
C. so
