---I left my handbag on the train, but luckily someone gave it to a railway official.---How unbelievable to get it back! I mean, someone ______ it.

Teachers recommend parents________ their children under 12 to ride bicycles to school for safety.

“ You       smoke in the bedroom”, Rose said to her hushand and pushed him out of the room.

 —It was cold and the road was icy. —It          a comfortable journey.

－ What does the sign over there say?－ “No person ____________ bring drinks into the student computer pool.”

On rainy days, accidents _____ happen sometimes on steep roads.

—What is the result of the survey?—15% of those surveyed worry that in the long term children ________ be more dependent on their parents, which does no good to them.

Tom hurried to school only to find that there was none because it was Sunday and he _____to school.

--- I didn’t tell my parents the secret yesterday. --- But you ______.

But for the metal cage to pull the miners to safety, the miners in Chile ____ in less than twenty-four hours.

With economy increasing steadily, people ______ enjoy a life of higher quality.

You have a big mouth,Tom. You        have told everybody the secret.

— Linda hasn’t shown up yet.— It’s strange. She ____.

Many questions have been answered by John. He must have previewed the lessons last night, ____ he?

The kid is crying, for he ______ jump over the ditch on his own.

       Do you know where David is? I couldn’t find him anywhere.      Well, he       have gone far. His coat is still here.

.Some women 　　　　a good salary in a job instead of staying home，but they decided not to work for the sake of the family．

--- Fancy meeting you here!--- Pleased to see you. If they ________ me to the party, I ________ be here.

After her son’s death, the old lady __________ sit at the window, deep in thought.

Holiday shopping __________ be a tiring experience. There are so many places to visit and choices to make.