问题补充:
Are they still doing the experiment? They e supposedit by the end of last class.
A. finish
B. finished
C. to finish
D. to have finished
答案:
A. finish
B. finished
C. to finish
(答案→)D. to have finished
解析:可联系答.案.网客服索取。
时间:2022-07-29 02:46:11
Are they still doing the experiment? They e supposedit by the end of last class.
A. finish
B. finished
C. to finish
D. to have finished
A. finish
B. finished
C. to finish
(答案→)D. to have finished
解析:可联系答.案.网客服索取。