[ 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 › ViewCaroline ___ going out today because she’s ill
A. ‘m not
B. isn’t
C. aren’t
Grammar › View
The present ______ is on the table is beautiful.
A. who
B. whom
C. whose
D. which
E. when
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
