When the traffic light is red, you must .A. stop B. wait C. go
( )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. some C. an
选出不同类的一项。 ( )(1)A.Canada B.Mexico C.American ( )(2)A.these B.those C.there ( )(3)A.letter B.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