( )I am _____ an email to Mum.
A. send B. sending C. to send
( ) A:Do you collect stamps?
B:Yes,I____.
A.doing B. have C. do
( )Have you got _____stamps from China?
A.any B. someC. an
选出不同类的一项。
( )（1）A.Canada B.MexicoC.American
( )（2）A.these B.thoseC.there
( )（3）A.letterB.email C.stamp
( )（4）A.reading B.dancing C.sing
( )There were ______ books in the library.
A. a lot of B. a C. lot of