Exactly ____they did when at last they reached the sea remains a complete mystery.
#70262
A
that
B
how
C
which
D
what
推荐题目
There is no doubt _______ international cooperation is the key to _______ with cyber crime.
#67746
A
whether; doing
B
that; dealing
C
whether; do
D
that; deal
I think you ought to end it ____ it is too late, or you’ll kill yourself.
#73154
A
even if
B
before
C
so that
D
once
Creating world peace is a rather difficult goal, ____ calls for efforts of many generations.
#68959
A
one that
B
one
C
that
D
it
All the bees had been at nearby feeding place were doing the circling dance.
#71660
A
which
B
what
C
that
D
how
Mr. Green asked Lily ________ she had written to her father _______.
#69537
A
whether; the day before
B
whether; yesterday
C
that; the day before
D
that; yesterday