－I was wondering if we could go skiing on the weekend.－good．

lor green in ancient Egypt symbolized spring,which is the time of _______ year when things in nature start to grow after_______ long winter.

Is that your dog—No.That is Peter’s dog. The brown one is________.

your impression of the GreatWall—Wonderful! Once ____ , it can never beforgotten

Thedoctors must get there in half an hour There should be no____ in sending the bloodto the dying girl