题目内容：

问几道非谓语的题目~
1.________,he got on board the plane.which is wrong?(D)
a.Dressing himself well
b.Dressed well
C.Determined not to come back again
D.Being not able to speak a single word
2.David is sleeping on the grass with his jacket _____his stomach.(a)
a.covered
b.to cover
c.cover
d.covering
我选a,不是被盖在?
3.The picture_____on the wall is painted by my nephew.(b)
A.having hung
b.hanging
c.being hung
4.______sure,you have read the book before.(a)
a.To be
b.Being
c.Been