[ Grammar ]
Human being is …… mammal. Scientist believe it is the ……. intelligent mammal on Earth.
A. an , more
B. a , more
C. a , most
D. an , most

Random Topics:
Sentence Structure and PunctuationSome & AnyIn/On/At + TimeModal Verbs & Perfect InfinitiveTenses of Verbs - UsageSubordinating and Coordinating ConjunctionsSo Such Enough TooCountable QuantifiersWH Questions and Simple Past TenseNarrative, Past TensesOther quiz:
Grammar & Vocabulary › ViewComplete the sentence with a coordinating conjunction.
We had to hurry to the basement, _______the tornado was on the way.
A. but
B. for
C. yet
D. is
Tenses › View
I ……………. (visit) Paris three times.
A. have visited
B. visited
C. visit
Phrasal Verbs › ViewDid Mr. Tan_________ the class while Miss Fiona was ill in hospital?
A. take away
B. take over
C. take up
D. take off
Comparative Degree (Adjective) › View
Adjective: young
Although he is _________________ than my sister.
A. Younger
B. Youngest