In the library, I found a useful book ______ how to use English grammar.    
#93528
A
to explain
B
explained
C
having explained
D
explaining
推荐题目
 Do you know the name of the play___ in the hall now?
#95528
A
to be put on
B
being put on
C
put on
D
putting on
Farmers in China began to use tractors ___ cattle for farming work.
#93738
A
to take the place of
B
take place of
C
to in place of
D
in the place of