If a healthy environment is gone, ________ everything that our life depends on.
| A．so is | B．nor is |
| C．so does | D．nor does |
相关试题
I had wanted to clean out the basement ____
, but unfortunately he came back before I did it.
| A．in a hurry | B．in his absence | C．in his memory | D．in his company |
_____ crying sadly, he raised his head and let tears stream down his face on purpose.
| A．To be seen | B．Seeing | C．To see | D．Having seen |
. ---Who will address the students from our school this e
vening?
--- ______ to be the speaker.
| A．I am supposed | B．I will suppose |
| C．I have supposed | D．I was supposing |
Tommy had had a three-mile drive north _____ he could turn and head back south.
| A．while | B．as | C．before | D．after |
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