13.Early this year the government decided to _______ the devement of agriculture.
| A．speed up | B．sweep up | C．take up | D．call up |
It won’t be ______he______ up with others.
| A．long until; will catch | B．long ago; catches |
| C．before; catches | D．long before; catches |
— Hi, Tracy, you look tired.
I am tired. I_______ the living- room all day.
| A．painted | B．had painted | C．have been painting | D．have painted |
— Did Mike call ______you yesterday?
— No, but this morning he called _______my office.
| A．at; on | B．on; on | C．at; at | D．on; at |
It is such a modem machine ____few of the workers know how to operate it.
| A．which | B．that | C．as | D．the one |
_____ in bed, we listened to the heavy rain _______ the window.
| A．Lie; hitting | B．Lay; knocking | C．Lying; beating | D．Lain; striking |