A．They did not use square numbers.B．They used complex measuring instruments.C．They rec

They were also quite sure（)a cigarette end did not start the fire.

Cansumers are not supposed to throw used computers in the trash because ______A．they conta

In 1997, people will ______.A．not use any electricityB．use more electricity than they do t

Even though the young team did not win in the tournament, they turned in a ______ performa

They did not loyally______the principles they advocated（宣扬的).A．live onB．live throughC．l

The bookshop said they did not have the novel just then, but that it was on______.A．arriva