[ Present Continuous Tense ]
Please be quiet. I …… trying to concentrate.
A. is
B. am
C. are

Random Topics:
So or SuchVerbs – Nouns – Adjectives - AdverbsSimple Present and Past TensesGrammar, Literature, and VocabularyWill vs Verb InfinitivesGerund NounPresent Perfect Continuous TensePast and Past ContinuousPast Tense & Past Continuous TensePresent or Past TensesOther quiz:
Adjective › View
a.busy
b.bad
c.fast
d.cute
Modal Verbs › View
I _______ called you earlier, but my phone died.
A. could have
B. must have
C. might have
D. may have
Grammar › ViewJohn always __________ on time for meetings.
A. arrives
B. are arriving
C. is arriving
Prepositions of Time and Place › View
Can Superman see ___ walls?
A. through
B. in
C. into
