．________ we are aware of the effects that the products have on us, it is time to seriously think about buying them.

A．If only　　 B．Even if　　 C．Now that　　 D．As if

Only after the second tower of the World Trade Centre____ did people know it was not an accident, but an attack of some kind.

A. had hit　　　 B. did fall　　 C. was hit　　 D. was fallen?

假設(shè)你將參加學(xué)校組織的"My Future"英語演講會(huì),請(qǐng)按下列提綱寫一篇演講稿,100詞左右。

1. 我決心當(dāng)一名教師, 當(dāng)教師是我兒時(shí)的夢(mèng)想;

2. 認(rèn)為和孩子打交道不是浪費(fèi)時(shí)間,而是很幸福的;

3. 雖然教師辛苦,收入不高,但我決心獻(xiàn)身教育事業(yè)(the case of education)

He finished eating the watermelon with u____________ (難以置信的) speed.

It was a wonder that_________little food saved _________ many lives during the war.

A.so, such　　　 B.such, so　 C.so, so　　 　D.such, such

Our headmaster asked us to discuss the matter immediately, saying it was of 　　 great s_______________.

Which do you enjoy ______your weekends, fishing or watching TV?

A.spending  B.to spend  C.being spent  D.spend

Mary smiled _____________ her mother did when she was Mary's age.
A. as if         B. what         C. the way    D. that

Jack felt unhappy as they all went outing ________ him.

A．except　　 B．but　　 C．without　　 D．besides

Isn't it about time you _____ to do morning exercises?　

A. have begun B. begin　　 C. should begun　　 D. began