— 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
推荐题目
Ladies and gentlemen, please fasten your seat belts. The plane _____.
#102445
A
takes off
B
has taken off
C
took off
D
is taking off.
As the war in Libya goes on, an increasing number of people in the country         from their homes and         a safe place to stay. 
#102629
A
have been driven; are trying to find
B
has been driven; is trying to find
C
are being driven; have found
D
have been driven; have tried to find