He has ________ himself to be innocent.[ ]

, how depressed! I am bound to lose to him in tomorrow’scompetition.—Cheer up! In fact, he is___________thanyou!

ody has ______ responsibility to save water, iffuture generations are to enjoy _____ similarstandard of living to the one we enjoy now

Where did you fall in love with her at first sight? —____was in a small villiage where my father worked.

Teenagers like reading the books ________ are written by Guo Jingming.