See the flags on top of the building? That was          we did this morning. 
#73903
A
when
B
which
C
where
D
what
推荐题目
Is it high time that the children _____ go to school ?
#69870
A
will go
B
went
C
would go
D
to go
He started early _______he could get there before nine
#67727
A
in order that
B
because
C
so as to
D
in order to
One of her achievements is helping us understand _________ chimps ______ like humans.
#68761
A
how…act
B
whether … act
C
how much… behave
D
how much…approach