—Would you like to tell me what our teacher said just now?
—She said that light__________faster than sound.
| A．travels |
| B．traveled |
| C．would travel |
| D．was traveling |
The secretary and principal ________ at the meeting now.
| A．are speaking | B．is speaking |
| C．were making a speech | D．have a speech |
Thirty dollars ________ too expensive.
| A．are | B．is | C．were | D．be |
The number of pages in this dictionary ________ about two thousand.
| A．are | B．has | C．have | D．is |
Now Tom with his classmates ________ football on the playground.
| A．play | B．are playing | C．plays | D．is playing |
Half of the workers here ________ under 30 ________.
| A．is;years | B．are;year old | C．is;years old | D．are;years of age |