The teacher came into the room, with his hands ______ behind his back.

Taking more exercise will prevent you ______ weight.A．t...

单项选择题Taking more exercise will prevent you ______ weight.

Now, she is upstairs ______ a long speech for the presi...

单项选择题Now, she is upstairs ______ a long speech for the president.

______ changed: whatever men can do, women can also do....

单项选择题______ changed: whatever men can do, women can also do.