—Jack’s parents hardly have any spare time for him, ________they?—_________,that’s why Jack often feels lonely at home.
The story made everyonehappy.
It’s necessary for usEnglish well.
Mrs Brown looks young., he is over 70 years old.
—When did the planeBeijing? —Sorry, I don't know.
Which is, the sun, the moon or the earth(地球)?