Which punctuation mark is missing in the sentence: ‘I like the colors of the rainbow red, orange, blue, yellow, and green.’?
A. A period after ‘rainbow’
B. A dash after ‘rainbow’
C. A colon after ‘rainbow’
D. A semicolon after ‘rainbow’

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Tenses, Determiners & Subject Verb AgreementSubjunctivesAdjective SuffixesHow much or How many?Reflexive Pronouns & Modal VerbsPossessive Adjectives VS Possessive PronounsTo Infinitive or GerundGerunds/InfinitivesTime ClauseWish SentencesOther quiz:
Grammar for TOEFL › View__ we understand the problem, we cannot offer a solution.
A. Unless we gather all the necessary information and consult with the experts
B. If we receive more data, it will be easier to analyze and find the right solution
C. While we are waiting for additional details from the engineering department
D. Because we haven’t yet received the final report, it’s hard to take any action
Grammar › View
Jack ___ in the kitchen when he ___ his finger.
A. was cooking/was cutting
B. is cooking/cut
C. cooked/was cutting
D. was cooking/cut
Grammar › ViewWhat change, if any, is needed for the following sentence?
This book is more long than her book.
A. Insert a comma after long
B. Change more long to longer
C. Change her to Her
D. No change is needed
Verb Tenses › View
Tom has been my friend _________ a long time.
A. since
B. lately
C. already
D. for
