You       very fast if you went from New York to Boston in six hours.

I promised to get there before 5 o’clock, but now the rain is pouring down. They _______ for me impatiently.                                      

After her son’s death, the old lady _____ sit at the window, deep in thought．

. — ____ I know your name ?    — Sorry , you ____ . 

The experts present at the conference all insisted that greenhouse gas emission        be reduced from now on．