A young man practised ______ English with Mr Green. 
#95680
A
speak 
B
speaking
C
to speak  
D
speak in
推荐题目
English teachers are supposed ________ their students a test in class, even after class, ________ better teaching results.
#89323
A
to give; ensuring
B
giving; to ensure
C
to give; to ensure
D
giving; ensuring
Try to spend your time just on the things you find ______.
#96087
A
worthing doing them
B
worth being done
C
worthy of being done
D
worthy to being done