Which subject is _____ ， physics or chemistry ?
A. interesting B. most interesting
C. more interesting D. the most interesting
Li Lei's parents ______ doctors.
A．are all B．are both C．all are D．both are
Your bag is smaller than______.
A．his B．his's C．him D．their
Who cleaned the classroom just now? Tom .
A. cleaned B. does C. was D. did
Don’t read in bed ， it’s not ____ your eyes.
A. good for B. bad at C. bad for D. good at
I think we’re old enough with housework.
A. to help B. helping C. helped D. help
