The old man lives happily with his two sons and a pet dog._____ of them are part of his family.( )
Both
All
None
Neither
Don't be ______the new teacher.She'll get on well with the kids( )
proud of
pleased with
be strict with
be worried about
Many children in my class_______ exercise.They just do some running in P.E.class.( )
seldom
never s
usually
always
My father will attend the parents 'meeting_________ he is busy.( )
if
unless
since
when
Miss Yang usually sets out early in order to___________ the morning rush hour(交通高峰).( )
choose
cause
avoid
accept
﹣Let's hide the prize and give Mom a surprise.
﹣We __________do that.She has known the result.mb( )
can't
mustn't
shouldn't
needn't