from the moon, our earth with water seventy percent of its surface, appears a blue ball.
| A．Seen; covered | B．Seen; covering |
| C．To see; covering | D．Seeing; covered |
The coach asked his staff to the large group of journalists waiting for him to announce his training plants.
| A．adapt to | B．appeal to | C．refer to | D．attend to |
_________surprises us most is that she doesn’t even know the difference between the two opinions lies.
| A．What;where | B．What;what | C．It;which | D．That;where |
__________is mentioned above，the number of the students in senior high schools is increasing.
| A．Which | B．As | C．That | D．It |
Write down the key words that youyour students to find in the passage.
| A．make | B．hope | C．suggest | D．expect |
It was back home after experiment.
| A．not until midnight did he go | B．until midnight that he didn’t go |
| C．not until midnight that he went | D．until midnight when he didn’t |