Lucy is very young, she can live on her own.( )
and
or
so
but
The Lianyungang﹣Xuzhou High﹣speed Railway was open to the public this year.( )
A.180 kilometer longB.180 kilometers long
C.180﹣kilometer﹣longD.180﹣kilometers﹣long
What an amazing robot!It cook more than 5,000 dishes.( )
A.shallB.needC.mustD.can
The Communist Party of China will have its 100th birthday July 1,2021.( )
A.inB.atC.onD.around
Jim,you'd better not too much time on your mobile phone.( )
A.costB.spendC.takeD.pay
Miss Li,a humorous teacher,taught maths last term.( )
A.usB.ourC.oursD.ourselves