——Why didn’t you call me this morning?——I ______ call you. I called you all the morning, but I couldn’t ______.
Since she is out of work, Lucy________ going back to school, but she hasn’t decided yet.
Can you lend me the novel________ the other day?
Mr. White as well as his friends ________ a number of countries in the past few years.
Helen always helps her mother even though going to school_______ most of her day.
She will fly to Washington, ________ she can enjoy herself.