Many a professor _____ looking forward to visiting Germany now. Many scientists _____ studied animals and plants in the last two years.
Jane’s grandmother had wanted to write children’s book for many years, but one thing or another always got in way.
——Hi, John. Are you busy? ——
Yang Liwei showed the flags of China and the United Nations, ________ the wishes of Chinese people to use space peacefully.
-- The last one ________ pays the meal. --- Agreed.
She had to leave school_______ her family couldn’t afford her education.