1. ............ is consisting of two parts, elements, or aspects.

Dual

Daul

Daull

Dualy

2. ............ isn't a synonym of dual.

Double

Triple

Pair

Twofold

3. Choose the right spelling : ............

double

bledou

douple

ledepou

4. ............ is a synonym of dual.

Manifold

Triplex

Threefold

Trine

5. Maria holds ............ citizenship: Italian and Argentinian.

triple

dual

single

none

6. We've got an electric cooker with a ............ oven.

douple

double

doublle

boudle