No sooner ________ stepped on the stage than the audience broke into thunderous applause.
If Tom doesn’t realize his mistake, he will _____ one day.
Water ____________ oxygen and hydrogen..
Paper making began in China and from here it _____ to Europe and North America.
My father knows clearly that smoking is bad for his health, but he just cannot____________ it.
The doctor said that you are _________, so you’d better have a healthy diet and try your best to lose your weight.