5.  It was fine weather last Sunday. We all went to the beach.

4.  Our maths teacher is very clever. He can work out any difficult problem.

3.  Mr. Wu is a funny person. He always makes us laugh.

2.  They were little children. They couldn't finish all the work in a day.

 用so ••• that或such ... that合并句子

1.  The snow fell very fast. Our footsteps were covered up in a few minutes.

5.  we decide to make greater achievements / there are lots of difficulties ahead

4.  he is a five-year-old boy I he is willing to help others

3.1 still can't find a seat to sit on I the talk has already been on for five minutes

2.  she went to the supermarket I it was snowing hard

―、用although/though合并句子

1.  he lives alone I he feels happy