1. ............................ (you/have) a nice time in Rome?
2. ............................ (you/finish) your homework yet?
3. He (be)........................ at his computer for six hours.
4. How many people (die)................... in the fire yesterday?
5. I (not/know).................... much about art, but I like some artists.
yêu cầu lm hết bài, pk có giải thích