•The hot-air balloon ............... (travel) at a height of 50 metres when it ............... (catch) fire.
•was travelling, caught
•Working as a nurse is far ............... (difficult) than people imagine.
•more difficult
•We didn't go to the party. We ............... (not invite).
•were not invited
•Can I give you an advice?
•some / a piece of
•Let's go shopping, ............... ?
•shall we
•My grandmother, who died last year, ............... (ride) her bicycle to work every day for 40 years.
•rode
•Chris should make a good actor because he's ............... (confident) child I know.
•the most confident
•Violent programmes shouldn't ............... in the early evening. (put on)
•be put on
•I looked on the internet and found that the news weren't true.
•wasn't
•You'll call me when you arrive, ............... ?
•won't you
•How long ............... (you / know) your English teacher?
•have you known
•This is ............... (little) interesting book I have ever read.
•the least
•The missing kid ............... yet. (not find)
•has not been found
•He has a few knowledge of French.
little
•Lisa has a shower every morning, ............... ?
•doesn't she
•You look really great! ............... (you / exercise) at the fitness centre?
•Have you been exercising
•The ............... (early) you send in your application form, the ............... (good).
•earlier, better
•I've never seen these flowers before. What ............... (they / call)?
•are they called
•There were lots of foods at the party.
•was, food
•Everybody should arrive in time, ............... ?
•shouldn't they
•It was the first time John ............... (drive) a car.
•had driven
•............... (far) I’ve ever flown is to Madrid.
•the furthest / farthest
•I can’t use my office at the moment. It ............... (paint).
is being painted
•The informations you gave me were very useful.
•information, was
•Nobody has arrived yet, ............... ?
•have they