1£®They need an activity where they can learn to cooperate with each other.

2£®They were both uncertain (certain) about what to do and went to their uncle for help.

3£®As the meeting was on, the man who was late slid (slide) into the meeting room without being noticed.

4£®He got into a situation where it is hard to_decide (decide) what is right and wrong.

5£®Both sides said that they wanted to try to reach a settlement (settle) in a peaceful way, not by violence.

6£®Fortunately, someone who happened to be passing by called the fire department instantly (instant) the fire broke out.

7£®The dustman swept (sweep) up all the fallen leaves on this street yesterday.

8£®Mark went into the room and picked up the receiver (receive) and started to dial his friend's number.