Grammar Quiz: Complex Sentences 05

Complex Sentences (5)

This is _________ the river was polluted.
  what
  how
  that
  whether

Some children like to eat food rich in fat and sugar. __________ they have weight problems and bad teeth.
  That's why
  That's the reason
  That's how
  That's what

The thing _________ I like to do is just _________ you want me to do.
  what ------ what
  what ------ that
  that ------ what
  that ------ that

The problem is __________ or not we can find the right person to deal with the situation.
  whether
  if
  how
  what

The city is __________ we visited three years ago.
  where
  the place where
  what
  that

It is no longer a question now _________ China is a strong country.
  which
  that
  whether
  what

Steve had a wish __________ he would travel around the world after he retired.
  which
  in which
  that
  what

The reason __________ he went to Australia is for learning English.
  that
  which
  how
  why

___________ I suggest, he always disagrees.
  what
  whatever
  how
  however

Anyone can borrow books from the library __________ he has a library card.
  as long as
  even though
  since
  unless