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
—The meeting is about to start, yet the speaker hasn’t turned up.— No one knows ____.
#70404
A
what the matter is
B
what is the wrong
C
what is the matter
D
how matter stood
        that they may eventually reduce the amount of labor needed on construction sites by 90 percent.
#69828
A
Such construction robots are clever
B
So clever the construction robots are
C
Such clever construction robots are
D
So clever are the construction robots
       , we could forgive him for his mistakes!
#70023
A
Were he still a child
B
If he is still a child
C
Did he realize he is wrong
D
He were still a child