When his father came into his room, Tom pretended a book.
A. to read
B. to have read
C. reading
D. to be reading
网友回答
A. to read
B. to have read
C. reading
(答案→)D. to be reading
解析：pretend后面接不定式，故先排除Ｃ。再从时间状语When his father came into his room说明read这个动作正在进行。故用不定式的进行式，选择答案Ｄ。