Choose the correct completion.While John ________ for his glasses, he had difficulty seeing things clearly.

Choose the correct completion.Mr. Roddy will come to the sales meeting if ________.

“In the past, many U.S. automobiles ____ in Detroit, Michigan.”

“While I ___ for the train, I sent several texts and checked my email on my cellphone.”

Choose the correct completion.My son can’t find a job. He wishes he ________ one because he needs money.

Choose the correct completion.A: Are you interested in scuba diving?B: Very. Undersea life is ________.

Choose the correct completion.I didn’t know anything about computer animation until I ________ a class.

Choose the correct completion.A: How did that window ________?B: I don’t know.

Choose the correct completion.While we were traveling through the western U.S., we stopped ________ several beautiful national parks.

Choose the correct completion.Mark’s parents let him (to have / have) a barbeque on his birthday.