The group of trees provided some shade the sun us.A. from; forB. for; withC. over; forD.

问题补充：

The group of trees provided some shade the sun us.

A. from; for

B. for; with

C. over; for

D. of; with

答案：

(答案→)A. from; for

B. for; with

C. over; for

D. of; with

解析：句意:这些树帮我们抵挡阳光，为我们提供阴凉。provide sth. for sb. 给某人提供某物。根据这一句型我们可以知道介词应用for。故选A。