When we hurried to the meeting room, the meeting _______.
| A．had begun | B．had been on |
| C．has begun | D．has been on |
____ educational CD-ROM has just come out. _____ CD-ROM is called ‘Dora Explorer’.
| A．A ; The | B．An ;The | C．The ; The | D．The ;A |
—Hello, may I speak to Mr Green, please?
—Sorry. Hea meeting. Can you call him later?
| A．has | B．is having | C．will have | D．had |
Robotsthe house for us in the future.
| A．clean | B．cleaned | C．will clean | D．/ |
—What did you do before you came here?
—I in a factory.
| A．worked | B．am working | C．will work | D．work |
—Who isboy in your class?
—Tony.
| A．tall | B．taller | C．tallest | D．the tallest |