As we all know, China has a great many cultural heritages, attract people from all over the world to learn about China.
| A．that | B．what | C．which | D．when |
Hackers, worms and virus have more opportunities to attack your computer if you to the Internet constantly. ycy
| A．are connected | B．are connecting | C．will connect | D．will be connected |
Although it is not our normal _____ to give credit in our shop, this time I think we should consider the matter more closely.
| A．habit | B．intention | C．action | D．practice |
---I’d like a pen which _____ well.---Will this one _____?
| A．writes; do | B．writes；work | C．is written; do | D．is written; work |
I would love ____ to the concert last night, but I didn’t get the ticket for it. YCY
| A．to go | B．going | C．to be gone | D．to have gone |
I am ashamed, sir, that I wasted the many hours _____ I should have studied in class.
| A．while | B．as | C．once | D．when |