As_______ mountains beyond our village are becoming greener and greener, they have become _________ home to a large amount of wild life.
| A．the; 不填 | B．the; a | C．不填; a | D．the; the |
His _____ expression suggests that the news he read just now must be _____.
| A．excited; exciting | B．excited; excited |
| C．exciting; exciting | D．exciting; excited |
It is _____ that Professor Smith will give us a lecture tomorrow.
| A．possibly | B．probably | C．likely | D．maybe |
_______ his research, man can set foot on the moon now.
| A．Because | B．Thanks to | C．So as to | D．In addition to |
The rest of the apple _________.
| A．were throwing away | B．was throwing away |
| C．were thrown away | D．was thrown away |
Only when his mother arrived ___________.
| A．the boy stopped crying | B．stopped the boy crying |
| C．the boy did stop crying | D．did the boy stop crying |