下列各句中,没有语病的一项是( )

you like to go shopping with me —Well,_________, but I have a lot of work to do this weekend

________ got on the train when it began to move.

30. the grand graduation ceremony ,which thousands of the graduates _____ last night, was more successful than we had expected.

Nothing can stop a _____ student _____ his mind to give up his studies. [ ]