[ Grammar ]
Which sentence correctly uses a comma in direct address?
A. Please pass the salt John.
B. Mary could you help me with this problem?
C. I appreciate your help, Dr. Smith.
D. Hey Tom what are you doing this weekend?

Random Topics:
Passive Voice with ModalsAdverbs, Modals, Preposition of timeConditional Sentences and Verb FormVerb TenseAdverbial PhrasesPrepositions - ConjunctionsTenses and Word FormationPreference & Future TenseAdverbial Clause / If / ComparativesArticle & PrepositionOther quiz:
Grammar › ViewThat singer has a terrible ………. !
A. speech
B. language
C. voice
Helpful Phrases › View
Meizhen: “____________________?”
Sihong: “S-I-H-O-N-G.”
A. Can you repeat that?
B. Can you help me with this?
C. What’re you up to today?
D. How do you spell that?
Vocabulary & Grammar › View……………………………………..installs and repair pipes on buildings, ships, planes, etc
A. A pipefitter
B. A welder
C. An electrician
D. A safety officer
Grammar › View
The traveler picked up one road, _____ herself that one day she would come back to take the other road.
A. told
B. telling
C. to tell
D. and telling
