He has gained ______ rich work experience there and is showing _______ great progress. 
#14451
A
a; a
B
a; /
C
/; a
D
/; /
推荐题目
He is an        tourist and he has        interesting experiences. 
#14160
A
experienced; a great many of
B
experienced; a great deal of
C
experiential; a great deal of
D
experienced; a great many
When he was young, he used to      hard at his lessons.
#12079
A
devote to working
B
devote himself to work
C
be devoted to work
D
be devoted to working