[ 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 › 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