According to the latest study，most traffic accidents be prevented if drivers are careful enough．
| A．must | B．can | C．have to | D．need |
Although it is not our normalto give credit in our shop,this time I think we should consider the matter more closely.
| A．habit | B．intention | C．action | D．practice |
The success of her business made it difficult for her to carry out heras wife and mother.
| A．model | B．example | C．work | D．role |
Before the final examination,many students have shown
of tension.Some have trouble in sleeping while others have lost their appetite(胃口).
| A．anxiety | B．marks | C．signs | D．remarks |
Small as it is，the ant is as much a creature asall other animals on the earth.
| A．are | B．is | C．have | D．do |
To get as much first hand information as possible，inspectors will hold workshops and distribute questionnaires，.
| A．isn’t it | B．won’t it | C．aren’t they | D．won’t they |