The software is based on a familiar mathematical ______________.

Everybody _________ asked to remain quiet. 

Climbing to the top of the mountains is a very ____________ journey. 

She spoke _____________ about the company’s bright future.

People use fireworks for many reasons: to celebrate holidays, for birthdays, and for other special occasions.

Severe weather can often prevent or delay mail ____________.

Some people like coffee in the morning, but other _______________ tea.

GRAMMAR: Parallel Structure INSTRUCTIONS: Look at the underlined word (s) in each sentence. If there is an error, choose the correct form. If there is no error, choose “correct.”

2. Which topic(s) could be developed into a cause-effect essay?

Some popular activities are swimming, biking, and to go hiking.