Do you know...
Do you think...
I wonder...
100

Where does his sister live

Do you know where his sister lives?

100

Does he play video games?

Do you think he plays video games?

100

How long does a trip to Argentina by bus takes?

Do you know how long a trip to Argentina by bus takes?

200

Where is Drogasil?

Do you know where Drogasil is?

200

Do they like coffee

Do you think the like coffee?

200

How much is that dress?

Do you know hhow much that dress is?

300

What time is it?

Do you know what time it is?

300

Is there a cafe near here?

Do you think there is a cafe near here?

300

Could your mother help me?

Do you think your mother could help me?

400

When is our theacher's birthday?

Do you know when our teacher's birthday is?

400

Should I get divorced?

Do you think I should get divorced?

400

Can your mother swim?

Do you think your mother can swim?