She __________ have left school, for her bike is still here.
| A．can’t | B．wouldn’t | C．shouldn’t | D．needn’t |
—How’s your tour around the North Lake? Is it beautiful?
—It _______ be, but it is now heavily polluted.
| A．will | B．should | C．would | D．must |
All the other boys have geography books and they will be ahead of me if I don’t get ______.
| A．it | B．the one | C．one | D．that |
There is ______ small temple on the island, which can only be reached by ______ water.
| A．a; 不填 | B．a; the | C．the; the | D．the; 不填 |
—How did you find your visit to the exhibition, John?
—______
| A．By taking a No. 3 bus. | B．Oh, wonderful, indeed. |
| C．I went there alone. | D．A classmate of mine showed me the way |
So, ________ the government has a good system of control or can educate the people, the forests will slowly disappear.
| A．as long as | B．when | C．unless | D．every time |