This building is both a secret and a mystery. No one shall be admitted into it ______ he can give the right password.
She bought the ring for ¥5000 three years ago, but now is it worth ____ the amount.
It’s dangerous to let the children who are ____ walk across the crowded street.
The Spring Festival is ___ us and we have a lot of things _____.
. They stayed with me three weeks, _____ they drank all the wine I had.
____ is mentioned above, the number of the senior schools is increasing.