Ever since my brother graduated from the university, he _______ in the present company for 15 years and he is now chief engineer of the company .
| A．worked | B．has been working | C．is working | D．works |
相关试题
Remember that there is still one point ______we must make clear at the conference tomorrow.
| A．where | B．why | C．when | D．that |
The number of children who have lost parents due to AIDS ______to rise to over 26 million in 2011.
| A．are expected | B．is expecting | C．are expecting | D．is expected |
It’s nice to see you again. What ______s
ince we last met?
| A．have you done | B．had you done | C．have you been doing | D．did you do |
---What’s that terrible noise, David?
---Oh, I forgot to tell you. The new machine in the nearby plant_____.
| A．were tested | B．will be tested | C．are being tested | D．have been tested |
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