和 D 都可以.
b：这本书是谈保护树木的
D：这本书是谈已经受到保护的树木的
Mr.Li is writing a book on ______trees.选择题 求解
1个回答
相关问题
-
Mr.Li is writing a book on( )trees.A.to protect B.protecting
-
There are three bedrooms.One is -----bedroom.A.Mr.and Mrs Li
-
Mr Li is a teacher.Mrs Li is a teacher,too.（合成一句）Mr Li and M
-
Mr li has three sons,one is in Beijing,_____is in Shanghai a
-
Mr.Wood is writing on the ＿＿with chalk
-
练习：1.The book ______ is yellow was given to me by Mr.Li.A) i
-
根据画线部分提问1.he is mr.li Mr.Li画线————————————2.the toy car is on
-
the one in the black car is Mr Li.
-
A:This is （ ） teacher,Mr.Li B：Mr/Li,this（ ）my mom
-
Li Ming is ___________ a book. [