用括号中所给动词的正确形式填空.快来帮个手..
He__(work)inthiscompanysine1996.
They____(justfinished)thework.
You___(enter)thedataintothecomputer.
I___(cook)somefoodformymother.
She___(make)asandwichforherself.
We___(set)thetablesforthebookexhibition.
Theoldman___(teach)inthisschoolfortwentyyears.
Thestudents___(stand)forthreehours.
Thelady___(prepare)themeal.
Theworkers___(build)theroad.