Exercise 4

Make certain that (something) shall occur or be the case.

A rough-surfaced woolen cloth, typically of mixed flecked colors, originally produced in Scotland.

Nylon fabric that is woven so that a tear will not spread.

Moving or capable of moving at high speed.

Make someone, especially a child, comfortable in bed by pulling the edges of the bedclothes firmly under the mattress.

A place, person, or thing from which something comes or can be obtained.

An orange-flowered, thistlelike Eurasian plant with seeds that yield an edible oil and petals that were formerly used to produce a red or yellow dye.

A plant with bell-shaped flowers that are usually blue, purple, pink, or white. Many kinds are cultivated as ornamentals.

A sweet, greenish fruit resembling a small plum. 

A kind of zucchini.