[ Grammar ]
Into Thin Air, a best-selling book, is fascinating, however, it is challenging stylistically.
A. No change
B. delete comma after book
C. change comma after fascinating to a semicolon
D. delete the comma after however

Random Topics:
Auxiliaries VerbPresent Simple and Continuous TensePassive and Active SentencesPresent Simple TenseDefinite ArticlesConjunctionAdjectivesAdverbs of Time and PlaceInfinitive GerundAdjective vs AdverbOther quiz:
Grammar › ViewChoose the definition of the next idiom:
Walking on air
A. to control yourself by not saying anything.
B. to be very excited and happy
C. to be very nervous.
Vocabulary and Grammar › View
Black bears hunt other animals so they are ________.
A. prey
B. extinct
C. predators
D. hunt
Linking Verb › ViewThis ripe green apple tastes sweet and juicy.
- action verb
- linking verb
Modals › View
You _____ heard of him. Everyone knows him.
A. will have
B. can have
C. must have
