The witnesses(证人) of the accident said that the lorry _______ very fast at the crossroads when the accident happened

你的同学到你家玩，你想把他或她介绍给你的母亲认识，你应该对你母亲说 ____________。

下列文学常识中,说法不正确的一项是

Tina ________ England with herparents three years ago.

Many workers were organized to clear away remained of the World Trade Center