[ Sentence Structure ]
Which of the following is a simple sentence?
A. The cat slept on the mat.
B. The cat slept on the mat, and the dog barked.
C. Although the cat slept on the mat, the dog barked.
D. The cat slept on the mat, and the dog barked when the mailman arrived.

Random Topics:
1st and 2nd ConditionalsAdverb of Frequency and Past Continuous TenseModals "Should"Verbs + Gerund or InfinitivePerfect and Past TensePresent Simple & ContinuesGrammar - PunctuationLinking WordsPresent Simple, Present Continuous or Present PerfectModals and Comparative SuperlativeOther quiz:
Past and Present Tenses › ViewNo sooner had I arrived home, _______ she finished dinner. (finish)
A. then
B. when
C. than
D. that
Prepositions › View
We slipped into the auditorium and sat down __________ the back of the room.
A. In
B. On
C. At
Do you _____________ in ghosts?
A. come
B. depend
C. believe
D. look
Vocabulary › View
deserted of people
A. Exile
B. Redemptive
C. Desolate
D. Prodigious
