Because the shop_____, all the T-shirts are sold at half price.
| A．has closed down | B．closed down | C．is closing down | D．had closed down |
When _____ the letter, tears came to her eyes.
| A．she was reading | B．reading | C．she reading | D．read |
Did he find _____ hard to learn a foreign language?
| A．that | B．him | C．it | D．himself |
The computer system _____suddenly while Paul was searching for information on the Internet.
| A．broke in | B．broke out | C．broke up | D．broke down |
___ Mr. Smith is waiting to see you. He appears to be quite____ important person.
| A．/; an | B．A; an | C．The; the | D．The; / |
I will go to Beijing on business tomorrow, do you have anything ____ to your son studying in Peking University?
| A．to be taken | B．to take | C．taken | D．being taken |