_______, most adults can identify only about five out of a set of 21 colours that are only _______ different.
A. Similarly/slightly
B. Similar/slightless
C. Similar/slight
D. Similarly/slighting

Random Topics:
Simple Past or Past ContinuousArticles & QuantifiersFirst ConditionalPossessive NounsMixed ConditionalPhrasesGrammar - Be going toIdiomsGrammar ModalsPresent TenseOther quiz:
Adverbs and Time Expressions › ViewIdentify the time expression in the sentence: ‘I have lived here since 2010.’
A. since 2011
B. I have lived since 2010
C. since 2010
D. lived here
Phrasal Verbs › View
We don’t know why she continues ______ all of our invitations to dinner.
A. turning down
B. passing down
C. closing down
D. looking down
Grammar › ViewThe horse has been an important means of transportation until the twentieth century when it was gradually replaced by the automobile. Which one is incorrect word/phrase?
A. has been
B. an
C. it
D. replaced by
Grammar › View
You _____ use the computer now if you like.
A. must
B. may
C. shouldn’t
D. had to
