―I don't know to use this machine.
―It doesn't matter. Here is the instruction.
A. when B. how C. where D. what
It’s a pity that I failed. But I am sure I will make it if I am given another .
A. chance B. purpose
C. success D. condition
一Do you agree with her idea?
一No, I'm riding an electric bike to school. That's too dangerous.
A. for B .on C. off D. against
（题文）Britain is European country. It is also island country.
A. an; a B. the; an C. a; an D. an; an
（题文）There________ a lot of rubbish there in the past. But now it has turned into a clean place.
A. used to be B. used to have
C. was used to being D. was used to having
— ________ do you visit your grandparents in the countryside?
— Once a week.
A. How far B. How soon C. How long D. How often
