[ Preposition and Preposition Phrase ]
Well, they concentrated ____ rest, good eating and relaxed.
A. on
B. in
C. of
D. at

Random Topics:
Grammar : Must (Necessity)Past Perfect or Past Perfect ContinuousPreference & Future TenseIF CLAUSEComparison of Adjectives and AdverbsIdiom and TensesThird ConditionalGrammar: Reported QuestionsGrammar: was/wereSecond Type ConditionalOther quiz:
The Future Simple Tense › ViewNick ____________ lots of pictures next summer holiday.
A. will take
B. takes
C. took
D. could take
Grammar › View
It’s raining outside. Don’t forget to _______ a raincoat.
A. we’re
B. wear
C. where
D. were