问liang道英语题He pretended ( ) an important paper when the boss
问liang道英语题
He pretended ( ) an important paper when the boss entered.
A.to be reading
B.to read
C.being read
D.be reading
2.据说他们已成功登上了山顶.
It is said they ( ) ( ) ( ) ( ) up to the top of that mountain.