Tom is ____________ boy now.
A.a 11-years-old B.a 11-year-old
C.an 11-year-old D.an 11-years-old
-----I bought this dictionary two weeks ago.
----You mean you __________ it for half a month.
A.have kept B.have had C.have bought D.have taken
The twins has studied in this school ________ .
A.two years ago B.since two years ago
C.for two yeas ago D.since two years
------When and where ____you _____the bag?
------ Oh, yesterday in my desk.
A.have, found B.did, find C.was, finding D.have, find
------Where is your father?
------He _______ Shanghai. He has ______ there for a week.
A.has gone to, gone B.has been in, gone
C.has gone to, been D.has been to, been
This CD-ROM can help you learn and have fun_____.
A.at times B.on time
C.at the same time D.in time