19.5.8 Exercise 8: Interrogative adverbs

Translate the following sentences with the inversion and with the est-ce que form.

Exercise 8    
When did he arrive?

When do you do it?

How much money do you still have?

Why did he not come?

How was he able to solve the problem?

With how many fingers do you type on the keyboard?

On how many platforms do
you test?
Since how long have you already been here?
After how long can we see the first results?

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