—How old are you?—________A.Thank you. B.I am ten. C.I am fine.
( ) He works ____ a farm . A. in B. onC. at
( ) ___ this your ruler ? A. Is B. Are C. Does
( )Remember ___ your things away after class . A. put B. put to C. to put
( ) Put ___ away . A. they B. them C. their
( ) Don’t leave ___ things like this . A. you B. your C. yours