[ Present Continuous Tense ]
The dorbell ___ ringing.
A. am
B. is
C. are

Random Topics:
WH- Question WordsComparison & Modal Verbs in Passive VoicePast simple regular verbsTenses - AuxiliariesAdverbs & to beFuture Perfect vs Future ContinuousPast Simple VS Used toAdverb Clauses of TimeBe Going To vs. WillGrammar TOEFLOther quiz:
Grammar › ViewWhere are ____ from?
(A) your
(B) I
(C) he
(D) you
Grammar › View
If it rains a lot tomorrow, we
a) won’t go for a picnic
b) won’t watch the DVD
c) will water the carrots
d) will sunbathe in the garden
Tenses › ViewWhat are some typical keywords for the present tense?
A. this year, this month, today
B. at the moment, right now
C. for, since, yet, never
D. always, usually, sometimes, never
Adverbs of Frequency › View
______ it is really difficult to explain yourself to someone who doesn’t know you at all.
A. Hardly ever
B. Sometimes
C. Never
D. Always
