The plants need sand with a___ (deep) of at least 10 to 15 cm to grow.

Finding Harriets house ______ to be more difficult than Nick had expected.

It is essential that you__________any document carefully before signing it.

If you have the right___(equip) ，you won’t find the job difficult.

The group is made up of local___(music)who have been performing together for several years.