The store had to ____ a number of clerks because sales were down .
| A．layout | B．layoff | C．layaside | D．laydown |
Mrs Smith warned her daughter ____ after drinking.
| A．never to drive | B．to never drive | C．never driving | D．never drive. |
The murder was brought in, with his hands _______ behind his back.
| A．being tied | B．having tied | C．to be tied | D．tied |
It is no use _____to come now. He is busy.
| A．ask him | B．to ask him | C．that you ask him | D．asking him |
Charles Babbage is generally considered ______ the first computer.
| A．to invent | B．inventing | C．to have invented | D．having invented |
I was too excited ______ .
| A．speak | B．to speak | C．not to speak | D．speaking |