--How long ___________ each other before they__________ married?
--For about a year.
| A．have they known;get |
| B．did they know; were going to get |
| C．do they know;are going to get |
| D．had they known; got |
I have ________ French. What about you?
| A．many difficulties to learn | B．a few troubles in learning |
| C．quite a little difficulty to learn | D．a great deal of trouble learning |
I ________ with my grandma because my parents have gone abroad for further study.
| A．stayed | B．am staying | C．have stayed | D．was staying |
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 |