5.Experts
think
we
won't
have
clean
water
to
drink
unless
something(b
)soon,but
much
remains(
b)about
environment
protection.
a.would
be
done,doing
b.is
done,to
be
done
c.will
be
done,to
be
d.is
done,to
do
remainto
be
done
固定搭配
第一空条件壮语从句,一般时,第二空to
be
done
表示要去做,而且是被完成
5.Experts
think
we
won't
have
clean
water
to
drink
unless
something(b
)soon,but
much
remains(
b)about
environment
protection.
a.would
be
done,doing
b.is
done,to
be
done
c.will
be
done,to
be
d.is
done,to
do
remainto
be
done
固定搭配
第一空条件壮语从句,一般时,第二空to
be
done
表示要去做,而且是被完成
45.We are wondering( A)our teacher will come to the party or not.
a.if b.that c.why d.whether
看到or not就选whether
D whether .....or not
A不行
D 看到or not就选whether
a if后面跟句子 WHETHER跟词组
记忆中是这样.