A modern teaching building has been set up in ______was a wasteland ten years ago.

Tom,did you break the vase I bought yesterday—It was not my 　　　.The floor was so slippery that I fell down and knocked it off the table.

Physics____ ____useful subject in our daily life.

I took it _____ that he would be glad to accept my invitation, but he didn’t at all.

Can I walk across the road now, Mrs. Chen—No, you ______. You have to wait until the light turns green.