Take ___ you need.
Your answer: Unanswered
Correct answer: whatever
Completed sentence: Take whatever you need. Whatever, whoever, wherever and whenever can mean any thing/person/place/time or no matter what/who/where/when. However + adjective/adverb means no matter how. These clauses use ordinary statement order, not question inversion.
___ arrives first should open the door.
Your answer: Unanswered
Correct answer: Whoever
Completed sentence: Whoever arrives first should open the door. Whatever, whoever, wherever and whenever can mean any thing/person/place/time or no matter what/who/where/when. However + adjective/adverb means no matter how. These clauses use ordinary statement order, not question inversion.
You can sit ___ you like.
Your answer: Unanswered
Correct answer: wherever
Completed sentence: You can sit wherever you like. Whatever, whoever, wherever and whenever can mean any thing/person/place/time or no matter what/who/where/when. However + adjective/adverb means no matter how. These clauses use ordinary statement order, not question inversion.
___ hard I try, I can't solve it.
Your answer: Unanswered
Correct answer: However
Completed sentence: However hard I try, I can't solve it. Whatever, whoever, wherever and whenever can mean any thing/person/place/time or no matter what/who/where/when. However + adjective/adverb means no matter how. These clauses use ordinary statement order, not question inversion.
Call me ___ you have time.
Your answer: Unanswered
Correct answer: whenever
Completed sentence: Call me whenever you have time. Whatever, whoever, wherever and whenever can mean any thing/person/place/time or no matter what/who/where/when. However + adjective/adverb means no matter how. These clauses use ordinary statement order, not question inversion.