Miss Wang told us that the moon around the earth.A.moves B.moved C.had moved
The Jiangs have lived in the city of Nantong since__________.
I found _______ difficult to work out the problem.
The Greens used to live in London and now they ________ in Beijing.
The train was travelling _______ low speed at that time.
— Have you ever been to Sanya? — Yes, ________already.