23.—It was careless of you___________your car unlocked all night. —Oh, dear! .
. –The maths exam is not difficult, is it? -- . Even Tom to the top students failed in it.
. with the children living in poor area, I have a happy childhood.
–Why are you so worried? --There are so many problems .
He hurried to the railway station only that the train had already left.
–Why does she always ask you for help? --There is no one else , is there?