I’d like to know ______Chinese.
#78938
A
whenhebegantolearn
B
whendidhebegintolearn
C
whendidhebeginlearning
D
forhowlonghebegantolearn
推荐题目
Many people are wondering ________.  
#37229
A
whether is the meat from the lab bad for their health
B
whether the meat from the lab is bad for their health
C
whether is bad for their health the meat from the lab
D
whether from the lab the meat is bad for their health