After ten hours’ drive, we came to ______ is called a green house, through the glass wall of _____, we saw lots of green plants.
A lion at _______ is really a great threat to the citizens.
. It is a beautiful cell phone but it is not _________ the price that I paid for it.
–Is he coming? --I’m not sure. He may be late or, ________, he may not come at all.
Lisa may be too busy to attend your party but she will try to __________ something out.
It was a pity that the great writer died _________ his work unfinished.