— You look rather down today. —______ to board the 4:20 flight, you know, I dared not close my eyes.
—Where are the children? The dinner's going to be completely ruined. —I wish they______always late.
Eye doctors recommend that a child's first eye exam ________ at the age of six months old.
Had they known what was coming next, they ________ second thoughts.
Grace doesn't want to move to New York because she thinks if she ________ there, she wouldn't be able to see her parents very often.
If he had spent more time practising speaking English before, he ________ able to speak it much better now.