[ 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:
Grammar › Viewthe spread between the lowest and the highest notes that a person can speak comfortably
A. rover
B. ranger
C. range
D. roper
Modal Verbs › View
There are some black clouds in the sky. It ___________ rain this evening.
A. ought to
B. may
C. must
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