Jenifer wants to go to that party very much ______ all her best friends will go．（ ）
A．becauseB．soC．unlessD．while
______ it's a public holiday today，some firefighters in our city are still on duty．（ ）
A．AlthoughB．OnceC．If
﹣﹣﹣You are singing to the plants!
﹣﹣﹣That's true．I believe it helps them grow ______．（ ）
A．slowerB．betterC．harder
My deskmate and I are going to ______ a talk show at the party to celebrate the 70th birthday of our motherland．（ ）
A．hand inB．put onC．take out
﹣﹣﹣______ is the Hong Kong﹣Zhuhai﹣Macao Bridge？
﹣﹣﹣55 kilometers．（ ）
A．How longB．How highC．How wide
﹣﹣﹣I have trouble ______ English，Mr．Lee．
﹣﹣﹣Why not go to the English Corner and try to talk with others？（ ）
A．readingB．writingC．speaking