[ Prepositions ]
He focuses ___ his studies diligently.
A. in
B. with
C. to
D. on
E. for

Random Topics:
Grammar (either..or.. and neither..nor..)Verb to beComparison Degree & GerundsSimple TensesFuture FormsModals and Comparative SuperlativeComparative and Superlative AdjectivesSubjunctiveWill & Be going toConditionalsOther quiz:
Grammar › ViewDetermine whether each sentence uses punctuation correctly.
Edgar thought he had locked his bike, but just to be sure—
A. Correct
B. Incorrect
Adverb › View
The teacher explained _________ to the pupils.
A. sadly
B. neatly
C. bitterly
D. clearly
Grammar › ViewI have to go to work at six, _________ I’m waking up at four.
A. but
B. so
C. yet
Grammar › View
Alina … books every night.
A. reads
B. read
C. reading
