Test

Choose the correct expression...
  1. Do you want to go out  [or] are you too lazy?
  2.  [When] John got home, he went to bed.
  3. I was very hot,  [so] I opened the window.
  4. It was late,  [so] I didn't call him.
  5. Don't drive  [when] you drink alcohol.
  6. Frank is hungry  [because] he didn't eat anything.
  7. I want to know  [if] you are satisfied.
  8. The car stopped  [and] Mary got out.
  9.  [Although] it was sunny, it was quite cold.
  10. I bought the book  [but] I didn't read it.