Have you finished your experiment report, Jane— Oh, my God. I’ve ________ forgotten all about that.

Jane is______ researching into the life of wildlife and can’t spare time to care for his wife and children.

It is said that Chinese people_________ to travel to Hongkong freely next year.

Are these your sheep ?—No. Mine _____ on grass at the foot of the hill.

Living things are dying out quickly.Let’s ask____destroying the in the pastyears.