Building a new school is one thing, while keeping it running smoothly is quite ______.

When he bought the products in a large quantity, he was angry to find they were _____ the samples given to him.

Many students stopped to listen to the music as it ______ so charmingly on the piano that it

attracted nearly everyone passing by.

My pain _______ apparent the moment I walked into the room, for the first man I met asked sympathetically， “Are you feeling all right?”

The lady couldn't say a word when she saw the snake, ________?

A did she               B didn't she                   C could she                   D couldn't she

Talk to anyone in the city ______ you will find that the life of the victims in Yushu is the primary concern to the people now.  

It is the farm to which we are going to pay a visit ______ provides large quantities of green vegetables for the nearby town every year.

It was a pity that the great writer died with his work _______.

______abroad for a tour can be a worthwhile experience to a senior high student.

. The post-Expo fate of foreign pavilions, especially those _____ tens of millions of dollars, has aroused strong interest among the public.