– He always shouted and laughed when I was singing in the yard. -- _______. He’s only playing himself!
—Where are the children?The dinner's going to be completely ruined. —I wish they ________ always late.(2011·北京)
________ the problem, he wouldn't have committed those mistakes.
________ I be free tomorrow, I would go with you.
If he ________ my advice, he wouldn't have lost his job.
This printer is of good quality.If it ________ break down within the first year,we would repair it at our expense.