— __________ when has the country been open to international trade?— 1978, I suppose.
I like getting up very early in summer. The morning air is so good ________.
---She has been admitted into Beijing University. --- ______.
It is an article________ from his works.
Tom as well as his two companions ________ leave ________Paris tomorrow.
I still remember ______ to the Famen Temple and what I saw there.