第三题怎么写?≧▽≦)/~

第三题怎么写?≧▽≦)/~
第三题怎么写?≧▽≦)/~
 

第三题怎么写?≧▽≦)/~
上面时态错了,3是is sitting,4是are having

What did tom do at 8 yesterday?

哪个第三题啊！两个！

is sitting smilling
应该用正在进行时 be doing

The students were having an English class at2 o`clock yesterday afternoon.