The 55﹣kilometer HZMB（港珠澳大桥） opened to the public on Oct． 24th． 2018．
It is ____ cross﹣sea bridge in the wortd， linking Hong Kong， Zhuhai and Macao．（ ）
A．longB．longer
C．longestD．the longest
Everyone wants to win in the contest． But I think ____ is to learn something and have fun．（ ）
| A． |
the most important |
| B． |
important |
| C． |
more important |
The Meitan Tea Museum， a famous building in Guizhou，_____ in the shape of a giant teapot．（ ）
| A． |
will be built |
| B． |
should be built |
| C． |
was built |
The UN set October 16th as World Food Day to tell people to value food ____ care more about the hunger problem．（ ）
| A． |
but |
B． |
so |
C． |
and |
"Ed， do you like The Readers hosted by Dong Qing？"
"Yes． I watch ____ every week．"（ ）
| A． |
one |
B． |
it |
C． |
them |
To live a low﹣carbon life， we must remember ____ the lights when we leave the room．（ ）
| A． |
to turn off |
| B． |
turning off |
| C． |
not to turn off |