My physics teacher said that light______ faster than sound.
| A．travel | B．travels |
| C．traveled | D．traveling |
Gina Tara are studying Chinese history and culture now . They find them rich and amazing.
| A．Both ; and | B．Not only ; but also |
| C．Either ; or | D．Neither ; nor |
Lu Jialei ， 14， from Hangzhou Foreign Language School ， won first place in the CCTV Chinese Character Spelling Contest (汉字听写大会).
| A．/ ; a | B．a ; the | C．a ; a | D．/ ; the |
He was surprised ________ his best friend again.
| A．to see | B．seeing | C．see | D．sees |
He was just falling asleep________ there was a loud knock at the door.
| A．when | B．while | C．as | D．and |
Mary was dancing while Mike ________ the piano.
| A．played | B．was playing | C．were playing | D．plays |