[ Grammar ]
“ How long is the seminar ?”
“ ———— knowledge, it takes about three hours.”
A. To my best
B. To the best of my
C. In my best of
D. In my best

Random Topics:
Constrative ConjunctionFuture - will / going to / present continuousSentence StructureArticle the or zero article (-)Superlative & Comparative AdverbsPresent Tense vs Present ContinuousModals and Adjectives (ed-ing)Quantifiers / Prepositions of Time and Comparative AdjectivesFragment, Comma Splice and Run -on SentenceTAG QuestionsOther quiz:
Grammar › View… do you wake up? I wake up at 05.00 am.
A. When
B. Who
C. How
Present Perfect Tense › View
We are best friends. I have known him ________ 2000.
A. for
B. since
Conjunctions › ViewShe wanted to buy a book _____ but she didn’t bring enough money.
A. and
B. but
C. because
D. or
E. so
Some vs. Any › View
You can take ___ bus to the city centre.
a. some
b. any