[ Grammar ]
The scientist is well-known _____________ his expertise in designing and building robots.
A. about
B. from
C. for
D. by

Random Topics:
Mixed GrammarQuantifiers, Countable and Uncountable NounsGrammar: so and suchGRAMMAR - Could / Could notFigure of SpeechWishes & Reported SpeechQuantifiers: too many, too much & enoughPossessive PronounsWould/would like - affirmative/negativeAbilityOther quiz:
Simple Compound and Complex Sentences › ViewWe should eat dinner before we go to the party.
A. simple
B. compound
C. complex
Possessive Adjectives › View
I hurt _____ leg
A. my
B. mine
C. mys
D. our
Relative Clause › ViewWe’d like to buy a house_______ overlooks West lake.
A. which
B. where
C. who
D. whose
Subject-Verb Agreement › View
One of my sisters _______ going on a trip.
A. is
B. are
C. aren’t
