I paid him $ 50 for the painting , but its true ___ must be least $500.

A. price     B. money     C. value    D. importance

If the boy had _____ the dog alone it wouldn't have bitten him.

A. set          B. left             C. had          D. put

_____ the English examination I would have gone to the concert last Sunday.

A. In spite of         B. But for            C. Because of       D. As for

―Are you still busy?

   ―Yes, I ________ my work, and it won’t take long.

A. just finish      B. am just finishing

C. have just finished    D. am just going to finish

―How are things going?

    ―The disabled _______ no relatives in Guangzhou _______ by the volunteers, who will graduate from Zhongshan University next year.

A. with; are taking care of        B. have; will be taken care of

C. with; are being taken care of   D. have; are being taken care of

—What were you up to when she dropped in?

    —I _________ for a while and __________ some reading.

A. was playing; was going to do    B. played; did

C. had played; was going to do     D. had played; did

. _____is known to us all, America is a developed country____ the first world.

 A. As; belonging   B. which; belonged  C. as; belonging to D. which; belonged to

There are three basic ways of _____ language to writing, and all known graphic systems use one or a combination of these.

 A. committing       B. attaching    C. comparing  D. relating

Many people have found their reading skill_____ improved after some training.

A. slighly     B. nearly        C. greatly       D. almost

We all write ___ ,even when there is not too much to say.

         A.now and then   B.by and by   C.step by step   D.more or less