_______,but it is also a great way to lower the number of greenhouse gases in the air.
| A．Not only a fun thing is it to do | B．Not only a fun thing to do it is |
| C．Not only it is a fun thing to do | D．Not only is it a fun thing to do |
相关试题
---Mom, I’m going to the graduation dance tonight but I don’t think I look attractive enough.
---Oh, darling, don’t worry. _________.
| A．They don’t know what beauty is. | B．Nobody will care about it. |
| C．You look perfect the way you are. | D．Impossible is nothing. |
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