All the drivers_______ reduce speed when driving near the zebra crossing．（ ）
A．canB．can'tC．mustD．mustn't
David never fights with his classmate，____？（ ）
A．does heB．doesn't heC．isn't he
The new railway ___in our hometown in 2013．（ ）
A．was builtB．is builtC．has built
What are you doing now？
I ___to the music．（ ）
A．is listeningB．am listening
C．Was listening
___do you have an English test？
Once a month．（ ）
A．How oftenB．How longC．How soon
___you ever ___to the Great Wall？
Yes，Three times．（ ）
A．Has，beenB．Have，beenC．Have，gone