题目内容：

单句语法填空

1.The photos on the wall remind my mother ____________ those happy，old days when a large family lived together.

2.A small plane crashed into a hillside five miles east of the city，____________ (kill) all four people on board.

3.Your desk is crowded ____________ too many unnecessary things. You have to remove some of them.

4.The staff of the school ____________ (listen) to the expert’s lecture now，for they feel interested in it.

5.Nowadays people sometimes separate their waste to make it easier for it ____________ (reuse).

6.Chatting on QQ for a long time，Mary looked up only ____________(find) that it was 1：00 am，long past her usual bedtime.