1.2010年以来,这个地区发生了很大的变化 Great changes have ( ) ( )in this are

1.2010年以来,这个地区发生了很大的变化 Great changes have (taken ) (place )in this area since 2010.
2.他们正在建一条隧道,它将穿过这条山.
They are building a tunnel,and it will(travel) (though)the mountain.
3.我想下个星期顺便看望一下吉尔
I think I'll(look) (in) on Jill next week.
4Jessica solved the physics priblems without any help.(同义句）
Jessica(worked) (out) the physics problems without any help.
5.Lin Dan played badminton very well.He won the Thomas Cup again.(合并为一句）
Lin Dan played badminton well(enough) (to)win the Thomas Cup again.
再问： I think I'll(look) (in) on Jill next week。in 和on能放一起？
再答： 可以