The computer system broke _____ suddenly while he was searching for information on the Internet．
| A．down | B．out | C．up | D．in |
Violence on TV may prove to have a strong _____ on some young people.
| A．proof | B．impression | C．influence | D．expression |
You made the same mistake for _____ second time, dropping _____ “r” in the word “preferred”.
| A．a , the | B．a, a | C．the , an | D．a , an |
Our class team is short of one person for the coming football match. Why don’t you join us?
— _______.
| A．It’s my pleasure | B．Don’t mention it | C．It’s up to you | D．It is really not my cup of tea |
There are _____ to show that Rome will win the bid to host the 2020 Olympic Games.
| A．signals | B．marks | C．signs | D．symbols |
Playing QQ’s “Happy Farm” by planting, watering, fertilizing and harvesting vegetables, fruits and flowers, we can find out _______ all the excitement is about.
| A．that | B．if | C．when | D．what |