The old man knows the number of the birds here by ________ once a year．
| A．doing a bird count |
| B．feeding them every day |
| C．watching them |
| D．teaching them to speak |
There were different kinds of dinosaurs in the word in the past.
| A．hundred of | B．two hundred of | C．hundreds of | D．two hundreds of |
The magician(魔术师)Liu Qian from Taiwan performed his tricks at the 2009 Spring Festival Gala(联欢会).
| A．succeeded | B．successful | C．success | D．successfully |
My brother isn’t at home. He to Hong Kong Disneyland.
| A．has been | B．went | C．has gone | D．had gone |
-time do you want to spend at each place? -About two hours.
| A．How long | B．How soon | C．How many | D．How much |
We believe governments will a better way to solve the problem of water pollution.
| A．take off | B．put off | C．come up with | D．catch up with |