The number 6,743,234,123 is read ___ _ .
A. Six billion, seven hundred and forty-three million, two hundred and thirty- four thousand, one hundred and twenty-three
B. Six billion and seven hundred and forty-three million and two hundred and thirty four thousand and one hundred twenty-three
C. Six billion and seven hundred and forty-three million and two hundred and thirty four thousand and a hundred and twenty-three
D. Six billions, seven hundreds and forty-three millions , two hundreds and thirty -four thousands a hundred and twenty-three
I ___ _ my clothes when my father got home.
A. wash B. washed
C. am washing D. was washing
We should protect the earth because it's home to ___ _ animals.
A. million B. millions
C. million of D. millions of
The police told the boys ___ _ in the street .It was dangerous.
A. don’t to play B. to not play
C. not to play D. not play
— What about going to the zoo by bus? — ___ _.
A. A little B. It doesn't matter
C. That's bad D. Good idea
It is difficult ___ _ me ___ _ English well. But I’ll study harder.
A. to, learn B. for, learning
C. for, to learn D. to, to learn
