From facts，scientists have ________that more energy is being absorbed from the sun，throwing the earth's energy “out of balance”．
| A．confirmed |
| B．concluded |
| C．concentrated |
| D．centered |
When ________ what made him a popular person, he said it was his personality.
| A．asking | B．asked | C．being asked | D．ask |
________ its low price, the advantage of this car lies in its good quality.
| A．According to | B．Different from | C．Apart from | D．Due to |
The space station spins slowly in ________ space to imitate ________ pull of the earth’s gravity.
| A．the; / | B．/; the | C．/; / | D．the; the |
The old man was so angry and spoke so fast that none of his children understood ____ he said meant.
| A．that, that | B．what. what | C．what | D．that |
Listen to the two girls by the window. What language _____?
| A．did they speak | B．were they speaking |
| C．are they speaking | D．have they been speaking |