After ten hours’ drive, we came to ________ is called a green house, through the glass wall of ________, we saw lots of green plants.
We all know that, _______, the situation will get worse.
--Can you read the sign, sir? No smoking allowed in the lift!--_______.
The ________film directed by Zhang Yimou made the audience deeply________.
Peter has ________in love with Jane for three years. And they are planning to________.
Scientists and experts said it was a big ________in China's space history that Chang'e-II has been smoothly sent around the moon.