The old lady ______ the girl ten Yuan for washing windows, most of ______ hadn’t been cleaned for a long time.
I found ____ strange ____ she had not come yet. A.it….that B that…that C.this…./ D.it…./
___ he will come is certain.
Is this the factory ___ you visited last year?
__ was once regarded as impossible has come true.
I have no idea ___.