1.-are we going to have lunch?-yes,it （ ）in the dining room
A.is serving B.serves C.is served D.served
2.the soldier would rather ( ) than ( )
A.die,gave up B.die,give up C.died,gave up D.died ,give up
3.he always keeps others ( ) for a long time
A.wait B.waiting C.to wait D.waited
麻烦回答一下原因~