[ Comma ]
Which sentence correctly uses commas?
A. While waiting in the office, I read an article about South America.
B. While, waiting in the office I read an article about South America.
C. While waiting in the office, I, read an article about South America.

Random Topics:
Adjective & Adverb-ing / InfinitiveConjunctions and Verb TensesAdjectives (-ed / -ing)Collective NounsAdverbs of Manner, Likes and PreferencesSubject Verb Agreement Irregular VerbPrepositions Of PlaceWishesCan/CouldOther quiz:
Tenses › ViewWhich tense is used to describe general truths, habits, and routines?
A. Present Continuous
B. Present Simple
C. Present Perfect
D. Past Simple
Modals and Inversion › View
Choose the correct modal: You ___ try this new restaurant; it’s amazing! (should/could)
A. might
B. would
C. mustn’t
D. should
Verb › ViewJohn…a good chef.
A. AM
B. IS
C. ARE
D. HE
Subject Verb Agreement › View
The novel, including all the essays _____ about two hours to read.
A. take
B. takes
