He helped his mother ________ the housework.A. do B. does C.did
( )I can ____ you . A. see B. saw C. seeing
( ).It is the middle ___ the night. A.to B. of C. for
( )We are ____ a lovely time! A.have B. had C. having
( )What are you ______,Simon? A. do B. does C. doing
( )Simon and I ____ playing hide-and-seek. A.is B. am C. are