You should see a doctor. He can help you with your back problem.
A. You should see a doctor who he can help you with your back problem.
B. You should see a doctor which can help you with your back problem.
C. You should see a doctor who can help you with your back problem.

Random Topics:
Kinds of NounsModal Verb in Passive VoicePrepositionAdjectives and VocabularyTime ClauseConditional Sentences and Verb Forma, an, the, zero articleDefinite ArticlesVerb + InfinitivePast Perfect Tense and Past TenseOther quiz:
Vocabulary and Grammar › View. Rhinos, elephants and gorillas are _____ that might soon disappear forever.
A. eco-friendly products
B. endangered species
C. clean-ups
D. eco-tourists
Grammar and Sentence Structure › View
Imagine you’re at a dinner party with Daniel, Scarlett, and Priya. The host asks, “You can have pizza, or you can have pasta for dinner.” What is the coordinating conjunction in this sentence?
A. But
B. Or
C. And
D. Yet
Adverbs and Phrases › ViewWhich phrase is the adverbial? “We will see you in the morning.”
A. We
B. See you
C. In the morning
D. Morning
Grammar › View
Which sentence has been written incorrectly?
A. There is a shipwreck near the reef.
B. Sam likes to dive there.
C. He sometimes seen the wreck.
D. He is going to explore it today.
