Headaches are one of the _____ of the medicine.

This __________ stress can lead to health problems, such as headaches and insomnia.

I have had ______ mild headaches all my life.

Headaches are one of the _______of the medicine. A: alcohol B: side effects C: vitamins

People under a lot of ______ may experience headaches, minor pains and sleeping difficulties.

I have _______ today. A: a headache B: headaches C: the headache D: headache

I have ______ today. A: a headache B: headaches C: the headache D: headaching

I have ______ today. A: a headache B: headaches C: the headache D: headacheing

4. Headaches are one of the __________ of the drug. A: alcohol B: side effects C: vitamins

Headaches can __________ into certain types. A: be classified B: classify C: promote D: be connected