---Where is my reference book? It was here a moment ago.---Someone ___ it by mistake.

I didn't expect that so many people ___ to join in the work.

Wen Jiabao told the orphans in Wenchuan  Earthquake not to cry.His words ____not  have calmed them instantly,but his concern  about common people was obviously seen.

I don't think he meant to hurt you yesterday. I would rather he ________ . 

If I had tried my best last term, I ________more progress then.

She ______ have left school, for her bike is still here.

Had your father seen the doctor earlier, he ____.

___ , we would have taken raincoats with us.

He pushed the door again and again, but it ___ open.

—Will you stay for lunch?—Sorry, ____________. My brother is coming to see me. 

—Are you coming to Jeff’s party?—I’m not sure. I__________ go to the concert instead. 

　　-------There were already five people in the car but they managed to take me as well .　　------- It ______ a comfortable journey .

John promised his doctor he ________ not smoke, and he has smoked ever since.

One ought _______ for what one hasn’t done.

Some people who don’t like to talk much are not necessarily shy; they _____ just be quiet people. 

— How about your journey to Mount Tai?— We _____ a pleasant journey but for the rain.

—What does the sign over there read？—“No person___smoke or carry a lighted cigarette,cigar or pipe in this area.”

—My cat’s really fat.—You _______ have given her so much food.

—Where is my dictionary?I remember I put it here yesterday.—You___it in the wrong place.

The biggest problem for most plants,which_______just get up and run away when threatened,is that animals like to eat them.