This is a______ but extremely difficult technology in the future.
The primary school is in poor ______, which worries many parents and teachers.
The ship is said ________, the effect of _______ is still unknown.
—Honest advice, though unpleasant to the ear, benefits conduct. —I can’t agree more. _______.
. Cathy can’t accept the doctor’s suggestion that she _______ another day in hospital.
— I told him not to play football in the street. — ________. But he turned a deaf ear to me.