At the root of volunteering is the idea ________ one person may have the ability to offer services that can help other people.
| A．that | B．what | C．which | D．/ |
.---Hurry ! It，s high time that we____to school.
---- Oh, if only the alarm clock____earlier.
| A．should go rang | B．shall go ; had rung |
| C．shall go ;rang | D．went ;had rang |
American- Indians____ about five percent of the USA population .
| A．fill up | B．bring up | C． make up | D．set up |
.They will start their project ____at helping the poor children to be educated in China＇s west.
| A．aims | B．aiming | C．being aimed | D．aimed |
It can not be a(n) ___that four jewellery stores were robbed in one night.
| A．coincidence | B．accident | C．incident | D．chance |
-----What do you think of ____concert last night?
---No doubt it was ____great success.
| A．a ; the | B．the ; a | C． the ; 不填 | D．a; 不填 |