Use of English

My doctor ________ some medicine for me.

• prescribed

• described

• persisted

• persuaded

My sister used to __________her hair red.

• die

• paint

• dye

• colour

My_________________-is much darker than my brother's.

• complexity

• complex

• complexion

• leather

When you recycle, you have to ________ paper, plastic, and other types of garbage.

• make

• do

• serve

• separate

Global warming is seen by many as a ________ to humanity.

• threat

• treat

• treatment

• treating