问题补充:
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
答案:
A. work
B. working
(答案→)C. is working
D. are working
解析:可联系答.案.网客服索取。
时间:2018-12-14 20:32:08
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
A. work
B. working
(答案→)C. is working
D. are working
解析:可联系答.案.网客服索取。