. I wrote to my parents once a week,____ I was too busy with my teaching work.
| A．it | B．unless | C．when | D．as |
Joe likes playing ________ football, while his sister enjoys playing ________ piano.
| A．the; the | B．不填; the | C．the; 不填 | D．a; a |
---Li Hong in America for 5 years.
--- It’s no wonder that he can speak English so well in China now.
| A．has been living | B．has lived | C．lived | D．lives |
It remained whether our class will go to the 2010 Shanghai Expo during this summer vacation.
| A．to see | B．seen | C．to be seen | D．seeing |
His carrying a small net was in the that the snakes would bite again.
| A．regulation | B．exception | C．association | D．expectation |
-Why are you so late ?
--I was on the way when it suddenly to me that I had left my notebook home, so I had to fetch it.
| A．occurred | B．hit | C．happened | D．reminded |