Chang’e-3 made China become the third nation _____ an unmanned spacecraft on the moon.
| A．sends | B．to send |
| C．sent | D．sending |
—Were you all frightened at the sound of the fire alarm?
— No. Everyone stayed _______ and obeyed the police.
| A．quiet | B．calm | C．silent | D．peaceful |
—_______when has the country been open to international trade?
— 1978,I suppose.
| A．Since | B．In | C．From | D．After |
—Did you see a man in black pass by just now?
—No, Sir. I_______ newspaper.
| A．read | B．was reading | C．would read | D．am reading |
After the long journey, the three of them went back home,_______.
| A．hungry and tiredly | B．hungry and tired |
| C．hungrily and tiredly | D．hungrily and tired |
_______it is to jump out of an airplane at 10,000 feet!
| A．What an exciting experience | B．How exciting experience |
| C．How an exciting experience | D．What exciting experience |