________a reply from my American friend Bill, I decided to send another email to him.
#93054
A
Not having received
B
Not being received
C
Not receiving
D
Not to receive.
推荐题目
_______ the secret of nature, the young scientist has little time for entertainment.
#91721
A
Devoted to bring out
B
Devoted himself to bringing out
C
Devoted to bringing out
D
Devoting to bring out
 In the USA, he made a lot of friends ______ English well to make himself ______.
#97969
A
learn; understand  
B
to learn; understood
C
learning; understand
D
learned; understood