–You speak very good Chinese. --Thanks. I _______ it for 4 years before I came to China.
#103358
A
studied
B
study
C
was studying
D
had studied
推荐题目
They started off at about 5 o’clock in the morning . They should       there by now .
#103835
A
arrive
B
have been arriving
C
have arrived
D
be arriving
Would you please keep silent? The weather report and _________I want to listen.
#104946
A
is broadcast
B
is being broadcast
C
has been broadcast
D
had been broadcast
– Where are you working now?– In Chongqing. But I _____ in Shanghai for 5 years. 
#100056
A
worked
B
had worked
C
have worked
D
had been working