摘要： Professor Smith, together with his assistants, on the project day and night to meet the deadline. A. work B. working C. are working D. is working
网址：http://m.1010jiajiao.com/timu3_id_3098309[举报]
Professor Smith, together with his assistants, ________on the project day and night to meet the deadline.
[ ]
A. work
B. working
C. is working
D. are working
查看习题详情和答案>>
B. working
C. is working
D. are working
| Professor Smith，together with his assistants，________on the project day and night to meet the deadline. A．work B．working C．is working D．are working |
查看习题详情和答案>>