游客
题文

______ over and over again, but he still couldn’t understand.

A.Having explained B.Having been explained
C.Explaining D.It had been explained
科目 英语   题型 单选题   难度 较易
知识点: 动词语态
登录免费查看答案和解析
相关试题

Between the two generations, it is often their different views of life and value _____ cause family conflicts.

A.which B.what C.who D.that

. With their son ______ a foreign college now, the parents have some financial problems now and then.

A.to attend B.attending C.attended D.having attended

Another primary school is reported _______ for children in Wen Chuan now.

A.to have been built B.to have built
C.being built D.to be building

The citizens of Beijing are proud of _______ they have done to make Beijing a beautiful city.

A.that B.which C.what D.how

. I am very grateful to my high school teachers, without ______ help I wouldn’t be so excellent.

A.whom B.them C.which D.whose

Copyright ©2020-2025 优题课 youtike.com 版权所有

粤ICP备20024846号