To enjoy the scenery, Irene would rather spend long hours on the train _____ travel by air.

Mum, must I wash the dishes right now? –No, you______.

All the students are working hard now.—_______. Because all of them want to go to good colleges.

This cake is different _____ that one.[ ]

He is good _____maths. But he is a little weak _____English. [ ]