--- Excuse me, I wonder if you can help me.--- Sure. (2012~2013.浙江温州龙湾中学高一第一次月考)
Every means tried but without any result.
—Can I carry that heavy box for you? —No, but thanks for to do so.
The boys usually play football on Friday afternoon,____ it rains.
The flowers sweet in the botanic garden attract the visitors to the beauty of nature.
It was a pity that the great writer diedhis works unfinished.