问题补充:
Mary, you can’t imagine what great difficulty I’ve had him with the project.
A. to help
B. helping
C. help
D. helped
答案:
A. to help
(答案→)B. helping
C. help
D. helped
解析:可联系答.案.网客服索取。
时间:2021-07-06 15:06:17
Mary, you can’t imagine what great difficulty I’ve had him with the project.
A. to help
B. helping
C. help
D. helped
A. to help
(答案→)B. helping
C. help
D. helped
解析:可联系答.案.网客服索取。