—What the number of the students in your class ?
—About 60 . A number of them girls .
| A．is ; is | B．are ;are |
| C．is ; are | D．are ; is |
－I guess you must be very excited about having the chance to go travelling abroad!
－____________,but I am afraid I am not good at English.
| A．I’m sorry | B．Well, I should be |
| C．I don’t know yet | D．Certainly not |
－Who will be the winner of the speech contest?
－No one can know the result until it ____________tomorrow morning.
| A．will announce | B．will be announced |
| C．is announced | D．announces |
The lovely girl had all the flowers ____________, didn’t she?
| A．watering | B．watered | C．to water | D．water |
－Can I go to the hospital to see Grandma now?
－No, you can’t. It’s _________the visiting hours. Let’s see Grandma tomorrow. She won’t mind that.
| A．on | B．over | C．during | D．beyond |
Obama is ____________ the first black president of the USA.
A. known asB. known of
C. known for D. known to