101.  Her lectures were clear and interesting And she gave us a lot of exercises in class.

102.  Some of us began not to feel happy .

103.  any of us were worried if we could have pleasant visit .

104.  Many of us didn't have umbrellas.

105.  Some of us, and some children, felt hungry.

106.  All of us were disappointed.

107.  some of us began not to feel happy .

108.  Many of us were worried if we could have pleasant visit .

109.  Many of us didn't have umbrellas.

110.  Some of us .