— I drove to Zhuhai for the air show last week.— Is that ____________ you had a few days off?
-Are you satisfied with her answer? -Not at all. It couldn’t have been _____.
. -What do you think of the book? -Oh, excellent. It is worth _____ second time.
The three college students did what they could _____ the two children, although they was in danger.
-Have you got your test result? -Not yet. The papers _____.
_______ a mobile phone can you ring _______ you want to talk with anywhere .