Hello, I _______ you ______ in London. How long have you been here?
| A．don’t know; were | B．hadn’t known; are |
| C．haven’t known; are | D．didn’t know ; were |
How can they learn much ________ they spend so much time playing computer games?
| A．although | B．when | C．till | D．until |
Cars do cause us some health problems, in fact, far more serious ________ than mobile phones do.
| A．one | B．ones | C．it | D．those |
After ________, the litter girl was depressed and kept silent all the day.
| A．being made fun | B．making fun of |
| C．making fun | D．being made fun of |
The scientist corresponds with colleagues in order to learn about matters ________ to her own research.
| A．relevant | B．instant | C．resistant | D．important |
Chinese folk music gave ________ life to Mr Liu and made him lead ________ new life in his later years.
| A．the; a | B．the; the | C．a; the | D．/; a |