Some modern art is so abstract that the painter only concentrates on certain qualities of the object, using colour, line and shape to _______ them.
| A．make | B．admit | C．settle | D．represent |
（天津卷4）. We _______ on this project for four hours. Let’s have a rest.
| A．are working | B．have been working | C．worked | D．had worked |
. You’ve failed to do what youto and I’m afraid the teacher will blame you.
| A．will expect | B．will be expected | C．expected | D．were expected |
. 一When shall we restart our business?
一Not until weour plan.
| A．will finish | B．are  finishing |
C．are to finish | D．have finished |
.（陕西卷24）. It is reported that many a new house at present in the disaster area.
| A．are being built | B．were being built | C．was being built | D．is being built |
（陕西卷21）. I have to see the doctor because I a lot lately.
| A．have been coughing | B．had coughed | C．coughed | D．cough |