Suddenly it hit me__________ difficult it was for my mother to get a master’s degree in China in the 1960s.

This book _____ the life of the students is popular with the teenagers [ ]

ouldn’t agree to sell the house to us at thesame price _____ they had promised, _____ was rather disappointing

mothers can’t come to the meeting because they go to Beijing.

She is ________ and she has an ________ brother .