Our World 6 Unit 7 Grammar 1 | Baamboozle - Baamboozle

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CORRECT ORDER - feet-to-boots-worn-have-your-be-to-protect

Boots have to be worn to protect your feet.

A volcano that has just erupted ___ (can/visit) right away. It's too dangerous.

can't be visited

Dangerous places ___ (must/enter) alone.

must not (mustn't) be entered

To save lives, volcanic activity ___ (have to/study).

has to be studied

Headlamps ___ (must/wear) in dark caves.

must be worn

If you're careful, photos of animals in the jungle ___ (can/take)

can be taken

CORRECT ORDER - be-headlamps-tunnels-worn-in-must-dark

Headlamps must be worn in dark tunnels.

Safety checks ___ (have to/do) before descdending into a cave.

have to be done

CORRECT ORDER - ascend-safety equipment-to-checked-we-before-has-be

Safety equipment has to be checked before we ascend.

Risks ___ (must/take) by explorers if they want to learn about our world.

must be taken

CORRECT ORDER - the-river-why-be-the-by-explorers-crossed-can't

Why can't the river be crossed by the explorers?

When a volcano starts to erupt, it ___ (can/stop).

cannot (can't) be stopped

People ___ (must/warn) that there are crocodiles in this area.

must be warned

Special suits and gas masks ___ (have to/wear) to protect the scientists against heat and poisonous gases.

have to be worn

How ____ the problem ____? (can/solve)

can, be solved

A lot of questions ___ (must/answer) by the students.

must be answered

How can explorers find their way out of a cave? A rope ___ (can/use) to help them.

can be used