—Haven't seen you for ages! Where have you been? —I went to Ningxia and    there for one year, teaching as a volunteer. 
#99090
A
stayed
B
stay
C
had stayed
D
am staying
推荐题目
— What were you up to when your parents came in? — I__for a while and__some reading.
#104407
A
was playing; was going to do
B
played; did
C
had played; was going to do
D
had played; did
---- Flight 551 for Dallas ________. I must be off now. ------Have a pleasant trip then.
#102346
A
is being announced
B
has announced
C
was announcing
D
had been announced