How noisy it is!Could you please ____the CD player a little？（ ）
A．turn offB．turn downC．turn onD．turn up
Tom watched the World Cup ____11：30 last night．（ ）
A．WhenB．unlessC．untilD．as soon as
Peter with his classmates____ for the bus when the earthquake happened．（ ）
A．is waitingB．was waiting
C．are waitingD．were waiting
﹣____is it from Lanzhou to Lhasa？
﹣It's about 2，160 kilometers．（ ）
A．How oftenB．How farC．How longD．How many
The magazine____Lucy's．We can see her name on the cover．（ ）
A．mustn't beB．can't beC．must beD．needn't be
In the near future， there____ selt﹣driving cars in our city．（ ）
A．isB．wasC．areD．will be