______ sweet and good, the birthday cake was soon eaten up by those children. 

They were busy ________ an experiment when I came.

“Harry Potter” is said ______ into over twelve languages by the end of last year.

The result is very important.It is supposed ______ a secret between you and me.

When this happens, he smiles and nods, ____ that everything is fine.

According to the report, an Iranian nuclear scientist was killed and two people were injured when a bomb ______ to a car exploded in its capital city.

Is this the reason ________ at the meeting for his carelessness in his work?

When I got back home I saw a message pinned to the door, ________ “ Sorry to miss you; will call later.”

I don't think the film is worth____.

_____the program, they have to stay there for another two weeks.

We had no one _____us, for we could deal with the case all by ourselves.

“We can't go out in this weather,”said Bob,        out of the window.

_____ the right decision _____ the future is probably the most important thing we will ever do in our lives．

Friends are like leaves, ________ everywhere, but true friends are like diamonds, precious and rare.

To get a better view of the stage, ____________________.

_________ smoking, he would not have got cancer in the lung.

Entering the room,I found Mary____ at the desk and____ a letter.

____that we should look after the three dogs three times, my mother left home.

The programme was so exciting that the children kept their eyes____ on the screen.

-- What’s the matter with you? ---____ the window, my finger was cut unexpectedly.