His grandparents used to ________ a walk after dinner, but now they are used to ________ a walk after breakfast.
#50244
A
take, take
B
taking, taking
C
taking, take
D
take, taking
推荐题目
Linda is good at _______ the piano.
#50746
A
play
B
to play
C
playing
D
plays
I think _________ history about China is very important.
#49097
A
study
B
studying
C
studied
D
studies