.—His father ______an actor , didn't he ? —Yes, he did .
The baby kept ________and the mother felt_________________ .
The sentence structure of ‘A baby panda is drinking her mother’s milk.’ is.
—_______have you known each other? —Since we were in our childhood.
—I felt _____ last night and then I fell _____ quickly. — I think you need more rest.
We should tell hunters _______tigers.