It is these poisonous products_____can cause the symptoms of the flu , such as headache and aching muscles .

My favorite singer Jason was born ______ December 20th, 1982.

The charity sale our school organizes every year has taught us much that we would never have ________ learned in class.

Greatly ________, the students made up their minds to carry ________ the experiment[ ]

Will you be available at three o’clocktomorrow afternoon – No. I ______ a lecture then.