[ Tenses ]
Columbia ___ on a tradition of both social and scientific innovation for over 250 years
A. carried
B. has carried
C. have carried
D. had carried
Random Topics:
Adjectives with -ED and -INGFirst & Second ConditionalVerbal CommunicationComparison Degree & GerundsConditional SentenceUncountable NounsVerbs: Action, Linking, and HelpingAdverbs by TypePresent Tense (Negatives and Questions)Grammar and PrepositionsOther quiz:
Vocabulary › ViewInformation collected by using the senses.
A. inference
B. opinion
C. observation
Phrasal Verbs › View
He didn`t……yesterday. You have to ask him where he is.
A. come in
B. come back
C. care for
D. turn up