Units 7-8 Review

You must ..........on the path.

• walk

• walking

You .........walk on the grass.

• must

• mustn't

There .........helicopters 50 years ago.

• was

• were

There were ..........planes ninety years ago.

• some

• any

There were ..........motorbikes fifty years ago.

• any

• lots of

There weren't...........smart phones forty years ago.

• any

• some

We must ............litter in the bin.

• put

• putting

You ............pick flowers.

• must

• mustn't