--- Did you know __________?--- He was ill in hospital.
My teacher warned us ________ in the streets.
—He didn’t go to the lecture this morning, did he?—_____.Though he wasn’t feeling very well.
It’s been three years we last saw our primary school classmates
His teacher advised his parents with their son .
—Only a small number of students able to pass the exam. —Yes.The number of the students no more than 20.