1.( )The headmaster came up to see___.
A.what was the matter B.what the matter was
C.what the matter is D.what is the matter
2.( )A train___more people than a bus.
A.takes B.brings C.gets D.carries
3.( )I saw Bill___the room quietly and___at the table.
A.enter into ,sat B.entering,sit
C.come,sat D.enter,sit
4.( )The travellers from Europe___Shanghai last week.
A.stayed B.travelled C.visited D.lived
5.( )I want to go ther by bus___by train.
A.instead B.instead of C.instead of going D.instead going
标准答案是BDDCB,我要的是解释。