答案:C
The boy wanted to ride his bicycle in the street, but his mother told him _______.
A.not to
B.not to do
C.not do it
D.do not do
在可以顺延工期的情况下,只有( )才有权要求承包人采取赶工措施按期或提前完成。
A.发包人
B.工程师
C.业主
D.规划部门