_______,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 |
----I wonder how much for your services.
----The first two are freethe third one costs $30.
| A．while | B．until | C．when | D．before |
They love their daughter so much that they are always ready to do everything they
can her happiness.
| A．make sure of | B．be sure of | C．to be sure to | D．to make sure of |
At the meeting place of the Yangtze River and the Jialing River, one of the ten largest cities in China.
| A．lies Chongqing | B．Chongqing lies |
| C．does lie Chongqing | D．does Chongqing lie |
It was not I but you whothe first to run to the goal in that competition.
| A．is | B．was | C．are | D．were |
It’s a mistake to think of Florida onlyits tourist attractions.
A. in terms of B according to C. regardless of D. in addition to