This is _______ alarm clock. A.a B.an C.the
After a short rest, the workers kept on _____ till midnight.
___of giant pandas is getting ___because their living areas are becoming farmland.
My parents told me _____ at the old people, it’s impolite.
You’d better_____ like that, or the teacher will be angry .
He looked ___________,but could see ____________.