Скажите как нужно правильно 23,79:7,8= 2379:78 после = у меня число 2379 где поставить запятую 

1.
Bill doesn't want to go with us. He has ...plans.

A) another

B) the other

C) any

D) other

2. If
I had worked more, I (to know) Spanish better.

A) will know

B) would have known

C) would know

D) B и C

 

3. If
I were in the north, I (to see) the polar bear.

A) will see

B) would have seen

C) will seen

D) would see

 

4. If
I (to be) a famous singer, I would travel a lot.

A) was to be

B) will be

C) will

D) were