G1 U5-W5 The joy of a ship

They will (a)   some houses.

Maria doesn't (a)   how to go to grandpa's home.

I can (a)   on the log and will not fall.

We walked (a)   the water.

Two kinds of metal are _______ into steel. Hot steels _____ into flat metal sheets and molds. When steel gets cold, it gets _______.

(a)  

How does a worker join the sheets of steel?

• by glue

• by heating the edges

• by drill

Why do workers put on gloves and helmets?

• Because they want to protect their heads

• Because they want to protect their heads and hands

• Because they want to keep warm

What does moist mean?

• wet

• dry

• soaked

• dirty

What will happen, if a joint leaks?

• The ship will be dirty.

• The ship will be broken.

• The ship will be wet and even sink.