The little boy is dirty from head to foot because he______in the mud all morning.
| A．has played | B．is playing |
| C．has been playing | D．was playing |
2、Professor Smith, along with his assistants, ____ on the project day and night to meet the deadline.
| A．work | B．working | C．is working | D．are working |
名校模拟题
1、He is the only one of the students who _______a winner of scholarship for three years.
| A．is | B．are | C．have been | D．has been |
10.Here _____ a new pair of shoes for you.
| A．is | B．are | C．have | D．Has |
9. No bird and no beast _____ in the lonely island.
| A．are seen | B．is seen | C．see | D．Sees |
8. The results of the examination _____ that you have all made great _____ .
| A．show; progress | B．shows; progress | C．show; progresses | D．shows; progresses |