The problem of housing ____________ lead to the problem of social instability.
A、itself
B、must
C、did
D、never
A、itself
B、must
C、did
D、never
第4题
Today the energy problem becomes critical. It ______ an immediate solution.
A.calls on
B.calls for
C.calls up
D.calls at
第6题
It's really a difficult problem to ______.
A.look at
B.make out
C.deal with
D.dwell on
第7题
To treat dysgraphia, the most important thing is to______.
A.discover the problem in children
B.find out the cause of the problem
C.treat these children with extra care
D.help these children build confidence
第8题
A.正确
B.错误
第9题
A.that
B.how
C.what
D.if
第10题
nd before long.
A) result B) response
C) settlement D) solution
第11题
A.and neither is that one
B.neither that one is
C.either is not that one
D.neither isn't that one