He was so worried that he couldn’t ______ new ideas.

______ is reported, a new town has been built on the ruins left by the big earthquake．

What do you think of the book A Haw Tree written by a woman writer?—It reminds me of the days _____ I spent in the countryside.[ ]

We get _______ sometimes when we study in a group. But we can learn from each other in this way.

How many boys _______ in your group?–Four.