19 “Who are making so much noise in the garden?” “_______ the children.”
| A．It is | B．They are | C．That is | D．There are |
The factory ________ in the newspaper that they had some old machines for sale.
| A．selected | B．solved | C．designed | D．advertised |
Our bodies are strengthened by taking exercises. ____, our minds are developed by learning.
| A．Probably | B．Likely | C．Similarly | D．Generally |
The computer, ______________ help we human beings have stepped into the information age, should be made full use of to promote the social development.
| A．which | B．whose | C．with its | D．with whose |
Customers are asked to make sure that they ____ the right change before leaving the shop.
| A．will give | B．have been given | C．have given | D．will be given |
Because the two countries were at _____ war, the people had ______ hard life.
| A．/; the | B．the; the | C．/; a | D．a; a |