China ________ the agreement and there are now 31 Chinese sites ________ the World Heritage list.
—You don’t seem to be quite yourself today. What’s wrong? —Oh, I’m suffering from a cold. Nothing serious, _____.
Our school, _____ in 1943, will celebrate its 70th anniversary this year.
It was not until 1978_____ set free from the prison.
She hurried to the entrance at which the car _____, and looked forward to seeing her husband.
--- Did you return the book you borrowed from Tom?--- Yes, I gave it to him ______ I saw him.